240812638 has 16 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 108847000.

The previous prime is 240812623. The next prime is 240812653. The reversal of 240812638 is 836218042.

240812638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240812623) and next prime (240812653).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26638 + ... + 34513.

It is an arithmetic number, because the mean of its divisors is an integer number (24766560).

Almost surely, 2^240812638 is an apocalyptic number.

240812638 is a deficient number, since it is larger than the sum of its proper divisors (155452322).

240812638 is a wasteful number, since it uses less digits than its factorization.

240812638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61343.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 240812638 is about 15518.1389992486. The cubic root of 240812638 is about 622.1471152517.

The spelling of 240812638 in words is "two hundred forty million, eight hundred twelve thousand, six hundred thirty-eight".