240506646 has 16 divisors (see below), whose sum is σ = 483673008. Its totient is φ = 79725600.

The previous prime is 240506639. The next prime is 240506659. The reversal of 240506646 is 646605042.

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, 109645 + ... + 111816.

It is an arithmetic number, because the mean of its divisors is an integer number (30229563).

Almost surely, 2^240506646 is an apocalyptic number.

240506646 is an abundant number, since it is smaller than the sum of its proper divisors (243166362).

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

240506646 is a wasteful number, since it uses less digits than its factorization.

240506646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221647.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 240506646 is about 15508.2766934305. The cubic root of 240506646 is about 621.8834902034.

The spelling of 240506646 in words is "two hundred forty million, five hundred six thousand, six hundred forty-six".