240409564 has 6 divisors (see below), whose sum is σ = 420716744. Its totient is φ = 120204780.

The previous prime is 240409549. The next prime is 240409573. The reversal of 240409564 is 465904042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30051192 + ... + 30051199.

Almost surely, 2^240409564 is an apocalyptic number.

It is an amenable number.

240409564 is a deficient number, since it is larger than the sum of its proper divisors (180307180).

240409564 is a wasteful number, since it uses less digits than its factorization.

240409564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60102395 (or 60102393 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 240409564 is about 15505.1463714471. The cubic root of 240409564 is about 621.7998032322.

The spelling of 240409564 in words is "two hundred forty million, four hundred nine thousand, five hundred sixty-four".