40057125 has 32 divisors (see below), whose sum is σ = 68480256. Its totient is φ = 20779200.

The previous prime is 40057103. The next prime is 40057133. The reversal of 40057125 is 52175004.

It is not a de Polignac number, because 40057125 - 2⁹ = 40056613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40057095 and 40057104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12432 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (2140008).

Almost surely, 2^40057125 is an apocalyptic number.

It is an amenable number.

40057125 is a deficient number, since it is larger than the sum of its proper divisors (28423131).

40057125 is a wasteful number, since it uses less digits than its factorization.

40057125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 40057125 is about 6329.0698368718. The cubic root of 40057125 is about 342.1579158552.

Subtracting from 40057125 its product of nonzero digits (1400), we obtain a triangular number (40055725 = T₈₉₅₀).

The spelling of 40057125 in words is "forty million, fifty-seven thousand, one hundred twenty-five".