40355954725 has 12 divisors (see below), whose sum is σ = 51205138336. Its totient is φ = 31533954480.

The previous prime is 40355954699. The next prime is 40355954741. The reversal of 40355954725 is 52745955304.

It is not a de Polignac number, because 40355954725 - 2⁵ = 40355954693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18769137 + ... + 18771286.

Almost surely, 2^40355954725 is an apocalyptic number.

It is an amenable number.

40355954725 is a deficient number, since it is larger than the sum of its proper divisors (10849183611).

40355954725 is a wasteful number, since it uses less digits than its factorization.

40355954725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37540476 (or 37540471 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 40355954725 in words is "forty billion, three hundred fifty-five million, nine hundred fifty-four thousand, seven hundred twenty-five".