40355512634 has 16 divisors (see below), whose sum is σ = 61276416000. Its totient is φ = 19931428944.

The previous prime is 40355512627. The next prime is 40355512667. The reversal of 40355512634 is 43621555304.

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, 288734 + ... + 405065.

It is an arithmetic number, because the mean of its divisors is an integer number (3829776000).

Almost surely, 2^40355512634 is an apocalyptic number.

40355512634 is a deficient number, since it is larger than the sum of its proper divisors (20920903366).

40355512634 is a wasteful number, since it uses less digits than its factorization.

40355512634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694157.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 40355512634 in words is "forty billion, three hundred fifty-five million, five hundred twelve thousand, six hundred thirty-four".