40016312634 has 32 divisors (see below), whose sum is σ = 80348534784. Its totient is φ = 13286159280.

The previous prime is 40016312537. The next prime is 40016312647. The reversal of 40016312634 is 43621361004.

It is a super-3 number, since 3×40016312634³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7983189 + ... + 7988199.

It is an arithmetic number, because the mean of its divisors is an integer number (2510891712).

Almost surely, 2^40016312634 is an apocalyptic number.

40016312634 is an abundant number, since it is smaller than the sum of its proper divisors (40332222150).

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

40016312634 is a wasteful number, since it uses less digits than its factorization.

40016312634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 40016312634 its reverse (43621361004), we get a palindrome (83637673638).

The spelling of 40016312634 in words is "forty billion, sixteen million, three hundred twelve thousand, six hundred thirty-four".