40256271535738 has 16 divisors (see below), whose sum is σ = 61670581044480. Its totient is φ = 19699430619856.

The previous prime is 40256271535717. The next prime is 40256271535763. The reversal of 40256271535738 is 83753517265204.

It is a super-2 number, since 2×40256271535738² (a number of 28 digits) contains 22 as substring.

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, 673681 + ... + 8998132.

It is an arithmetic number, because the mean of its divisors is an integer number (3854411315280).

Almost surely, 2^{40256271535738} is an apocalyptic number.

40256271535738 is a deficient number, since it is larger than the sum of its proper divisors (21414309508742).

40256271535738 is a wasteful number, since it uses less digits than its factorization.

40256271535738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716141.

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 40256271535738 in words is "forty trillion, two hundred fifty-six billion, two hundred seventy-one million, five hundred thirty-five thousand, seven hundred thirty-eight".