40660525 has 12 divisors (see below), whose sum is σ = 50757664. Its totient is φ = 32310000.

The previous prime is 40660511. The next prime is 40660531. The reversal of 40660525 is 52506604.

It is not a de Polignac number, because 40660525 - 2¹¹ = 40658477 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40660493 and 40660502.

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, 1611 + ... + 9160.

Almost surely, 2^40660525 is an apocalyptic number.

It is an amenable number.

40660525 is a deficient number, since it is larger than the sum of its proper divisors (10097139).

40660525 is a wasteful number, since it uses less digits than its factorization.

40660525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932 (or 10927 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 40660525 is about 6376.5605932979. The cubic root of 40660525 is about 343.8673913110.

The spelling of 40660525 in words is "forty million, six hundred sixty thousand, five hundred twenty-five".