40236813925 has 24 divisors (see below), whose sum is σ = 62205072192. Its totient is φ = 25082688000.

The previous prime is 40236813913. The next prime is 40236813941. The reversal of 40236813925 is 52931863204.

40236813925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40236813925 - 2⁷ = 40236813797 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 23 ways as a sum of consecutive naturals, for example, 10449196 + ... + 10453045.

It is an arithmetic number, because the mean of its divisors is an integer number (2591878008).

Almost surely, 2^40236813925 is an apocalyptic number.

It is an amenable number.

40236813925 is a deficient number, since it is larger than the sum of its proper divisors (21968258267).

40236813925 is a wasteful number, since it uses less digits than its factorization.

40236813925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20902269 (or 20902264 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 40236813925 in words is "forty billion, two hundred thirty-six million, eight hundred thirteen thousand, nine hundred twenty-five".