40544165325 has 48 divisors (see below), whose sum is σ = 68150298816. Its totient is φ = 21264883200.

The previous prime is 40544165297. The next prime is 40544165359. The reversal of 40544165325 is 52356144504.

It is not a de Polignac number, because 40544165325 - 2⁵ = 40544165293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1889155 + ... + 1910495.

It is an arithmetic number, because the mean of its divisors is an integer number (1419797892).

Almost surely, 2^40544165325 is an apocalyptic number.

It is an amenable number.

40544165325 is a deficient number, since it is larger than the sum of its proper divisors (27606133491).

40544165325 is a wasteful number, since it uses less digits than its factorization.

40544165325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21774 (or 21769 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 40544165325 in words is "forty billion, five hundred forty-four million, one hundred sixty-five thousand, three hundred twenty-five".