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40010152340 = 22519710154861
BaseRepresentation
bin100101010000110010…
…100111100110010100
310211021101011022220002
4211100302213212110
51123420044333330
630214100230432
72614326453314
oct452062474624
9124241138802
1040010152340
1115a71762704
12790739b418
133a081c8572
141d17a91444
15109283ee45
hex950ca7994

40010152340 has 24 divisors (see below), whose sum is σ = 84447832392. Its totient is φ = 15922820480.

The previous prime is 40010152331. The next prime is 40010152373. The reversal of 40010152340 is 4325101004.

It can be written as a sum of positive squares in 4 ways, for example, as 27454501636 + 12555650704 = 165694^2 + 112052^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 5073491 + ... + 5081370.

It is an arithmetic number, because the mean of its divisors is an integer number (3518659683).

Almost surely, 240010152340 is an apocalyptic number.

It is an amenable number.

40010152340 is an abundant number, since it is smaller than the sum of its proper divisors (44437680052).

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

40010152340 is a wasteful number, since it uses less digits than its factorization.

40010152340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155067 (or 10155065 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 40010152340 its reverse (4325101004), we get a palindrome (44335253344).

The spelling of 40010152340 in words is "forty billion, ten million, one hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 10154861 20309722 40619444 50774305 101548610 203097220 2000507617 4001015234 8002030468 10002538085 20005076170 40010152340