40259872 has 24 divisors (see below), whose sum is σ = 79463916. Its totient is φ = 20078592.

The previous prime is 40259851. The next prime is 40259873. The reversal of 40259872 is 27895204.

It can be written as a sum of positive squares in 2 ways, for example, as 32216976 + 8042896 = 5676^2 + 2836^2 .

It is not an unprimeable number, because it can be changed into a prime (40259873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13248 + ... + 16000.

Almost surely, 2^40259872 is an apocalyptic number.

It is an amenable number.

40259872 is a deficient number, since it is larger than the sum of its proper divisors (39204044).

40259872 is a wasteful number, since it uses less digits than its factorization.

40259872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40259872 is about 6345.0667451178. The cubic root of 40259872 is about 342.7342159844.

The spelling of 40259872 in words is "forty million, two hundred fifty-nine thousand, eight hundred seventy-two".