240402664 has 16 divisors (see below), whose sum is σ = 451141920. Its totient is φ = 120098160.

The previous prime is 240402619. The next prime is 240402667. The reversal of 240402664 is 466204042.

It is not an unprimeable number, because it can be changed into a prime (240402667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502 + ... + 22069.

It is an arithmetic number, because the mean of its divisors is an integer number (28196370).

Almost surely, 2^240402664 is an apocalyptic number.

It is an amenable number.

240402664 is a deficient number, since it is larger than the sum of its proper divisors (210739256).

240402664 is a wasteful number, since it uses less digits than its factorization.

240402664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25800 (or 25796 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 240402664 is about 15504.9238630830. The cubic root of 240402664 is about 621.7938544122.

The spelling of 240402664 in words is "two hundred forty million, four hundred two thousand, six hundred sixty-four".