40259052 has 24 divisors (see below), whose sum is σ = 104375600. Its totient is φ = 13419648.

The previous prime is 40259033. The next prime is 40259053. The reversal of 40259052 is 25095204.

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

It is not an unprimeable number, because it can be changed into a prime (40259053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186277 + ... + 186492.

Almost surely, 2^40259052 is an apocalyptic number.

It is an amenable number.

40259052 is an abundant number, since it is smaller than the sum of its proper divisors (64116548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40259052 is a wasteful number, since it uses less digits than its factorization.

40259052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372782 (or 372774 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40259052 is about 6345.0021276592. The cubic root of 40259052 is about 342.7318890688.

Subtracting from 40259052 its sum of digits (27), we obtain a square (40259025 = 6345²).

The spelling of 40259052 in words is "forty million, two hundred fifty-nine thousand, fifty-two".