40632725 has 12 divisors (see below), whose sum is σ = 57582624. Its totient is φ = 27862320.

The previous prime is 40632701. The next prime is 40632731. The reversal of 40632725 is 52723604.

It is a de Polignac number, because none of the positive numbers 2^k-40632725 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 11 ways as a sum of consecutive naturals, for example, 115919 + ... + 116268.

It is an arithmetic number, because the mean of its divisors is an integer number (4798552).

Almost surely, 2^40632725 is an apocalyptic number.

It is an amenable number.

40632725 is a deficient number, since it is larger than the sum of its proper divisors (16949899).

40632725 is a wasteful number, since it uses less digits than its factorization.

40632725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232204 (or 232199 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40632725 is about 6374.3803620430. The cubic root of 40632725 is about 343.7890049404.

The spelling of 40632725 in words is "forty million, six hundred thirty-two thousand, seven hundred twenty-five".