40777818925 has 12 divisors (see below), whose sum is σ = 50567125600. Its totient is φ = 32620558320.

The previous prime is 40777818911. The next prime is 40777818929. The reversal of 40777818925 is 52981877704.

40777818925 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 40777818925 - 2⁷ = 40777818797 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40777818925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40777818929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708376 + ... + 763774.

Almost surely, 2^40777818925 is an apocalyptic number.

It is an amenable number.

40777818925 is a deficient number, since it is larger than the sum of its proper divisors (9789306675).

40777818925 is a wasteful number, since it uses less digits than its factorization.

40777818925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84852 (or 84847 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 58.

The spelling of 40777818925 in words is "forty billion, seven hundred seventy-seven million, eight hundred eighteen thousand, nine hundred twenty-five".