40056525 has 60 divisors (see below), whose sum is σ = 75260064. Its totient is φ = 21060000.

The previous prime is 40056517. The next prime is 40056551. The reversal of 40056525 is 52565004.

40056525 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 652 + 5 = 666.

It is not a de Polignac number, because 40056525 - 2³ = 40056517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 265200 + ... + 265350.

Almost surely, 2^40056525 is an apocalyptic number.

40056525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40056525 is a deficient number, since it is larger than the sum of its proper divisors (35203539).

40056525 is a wasteful number, since it uses less digits than its factorization.

40056525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40056525 is about 6329.0224363641. The cubic root of 40056525 is about 342.1562074969.

The spelling of 40056525 in words is "forty million, fifty-six thousand, five hundred twenty-five".