240638284 has 12 divisors (see below), whose sum is σ = 422617608. Its totient is φ = 119890400.

The previous prime is 240638273. The next prime is 240638309. The reversal of 240638284 is 482836042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105922 + ... + 108169.

It is an arithmetic number, because the mean of its divisors is an integer number (35218134).

Almost surely, 2^240638284 is an apocalyptic number.

It is an amenable number.

240638284 is a deficient number, since it is larger than the sum of its proper divisors (181979324).

240638284 is a wasteful number, since it uses less digits than its factorization.

240638284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214376 (or 214374 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 240638284 is about 15512.5202336693. The cubic root of 240638284 is about 621.9969292970.

The spelling of 240638284 in words is "two hundred forty million, six hundred thirty-eight thousand, two hundred eighty-four".