40057325 has 24 divisors (see below), whose sum is σ = 61930560. Its totient is φ = 24969600.

The previous prime is 40057319. The next prime is 40057327. The reversal of 40057325 is 52375004.

It is not a de Polignac number, because 40057325 - 2¹² = 40053229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40057294 and 40057303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40057327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8480 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (2580440).

Almost surely, 2^40057325 is an apocalyptic number.

It is an amenable number.

40057325 is a deficient number, since it is larger than the sum of its proper divisors (21873235).

40057325 is a wasteful number, since it uses less digits than its factorization.

40057325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20837 (or 20832 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 40057325 is about 6329.0856369621. The cubic root of 40057325 is about 342.1584853042.

The spelling of 40057325 in words is "forty million, fifty-seven thousand, three hundred twenty-five".