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420415032302040 = 23353503458602517
BaseRepresentation
bin101111110010111011000000…
…0101010001001100111011000
32001010120021200110020001112210
41133211312000222021213120
5420101034441232131130
64050051555523435120
7154360661264221566
oct13745660052114730
92033507613201483
10420415032302040
11111a590175a0046
123b19b2bb825aa0
1315077c765b88a9
1475b62a629aa36
153390e5e4535b0
hex17e5d80a899d8

420415032302040 has 32 divisors (see below), whose sum is σ = 1261245096906480. Its totient is φ = 112110675280512.

The previous prime is 420415032302029. The next prime is 420415032302129. The reversal of 420415032302040 is 40203230514024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 420415032301989 and 420415032302007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751729301139 + ... + 1751729301378.

Almost surely, 2420415032302040 is an apocalyptic number.

420415032302040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420415032302040 is an abundant number, since it is smaller than the sum of its proper divisors (840830064604440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420415032302040 is a wasteful number, since it uses less digits than its factorization.

420415032302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503458602531 (or 3503458602527 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 420415032302040 its reverse (40203230514024), we get a palindrome (460618262816064).

The spelling of 420415032302040 in words is "four hundred twenty trillion, four hundred fifteen billion, thirty-two million, three hundred two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3503458602517 7006917205034 10510375807551 14013834410068 17517293012585 21020751615102 28027668820136 35034586025170 42041503230204 52551879037755 70069172050340 84083006460408 105103758075510 140138344100680 210207516151020 420415032302040