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40736230405 = 513626711237
BaseRepresentation
bin100101111100000100…
…011000110000000101
310220010222101220202021
4211330010120300011
51131411433333110
630414114443141
72641324150063
oct457404306005
9126128356667
1040736230405
11163045a3922
127a8a5934b1
133ac2768760
141d86297033
1510d64642da
hex97c118c05

40736230405 has 8 divisors (see below), whose sum is σ = 52643743992. Its totient is φ = 30082139328.

The previous prime is 40736230393. The next prime is 40736230459. The reversal of 40736230405 is 50403263704.

It can be written as a sum of positive squares in 4 ways, for example, as 1488262084 + 39247968321 = 38578^2 + 198111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40736230405 - 27 = 40736230277 is a prime.

It is a Duffinian number.

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, 313355554 + ... + 313355683.

It is an arithmetic number, because the mean of its divisors is an integer number (6580467999).

Almost surely, 240736230405 is an apocalyptic number.

It is an amenable number.

40736230405 is a deficient number, since it is larger than the sum of its proper divisors (11907513587).

40736230405 is a wasteful number, since it uses less digits than its factorization.

40736230405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626711255.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 40736230405 in words is "forty billion, seven hundred thirty-six million, two hundred thirty thousand, four hundred five".

Divisors: 1 5 13 65 626711237 3133556185 8147246081 40736230405