40031540354 has 8 divisors (see below), whose sum is σ = 64666334460. Its totient is φ = 18476095536.

The previous prime is 40031540309. The next prime is 40031540387. The reversal of 40031540354 is 45304513004.

It can be written as a sum of positive squares in 2 ways, for example, as 39994000225 + 37540129 = 199985^2 + 6127^2 .

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

It is a super-2 number, since 2×40031540354² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769837289 + ... + 769837340.

Almost surely, 2^40031540354 is an apocalyptic number.

40031540354 is a deficient number, since it is larger than the sum of its proper divisors (24634794106).

40031540354 is a wasteful number, since it uses less digits than its factorization.

40031540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539674644.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 40031540354 in words is "forty billion, thirty-one million, five hundred forty thousand, three hundred fifty-four".