240620464 has 20 divisors (see below), whose sum is σ = 532802704. Its totient is φ = 103123008.

The previous prime is 240620461. The next prime is 240620519. The reversal of 240620464 is 464026042.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (240620461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074087 + ... + 1074310.

Almost surely, 2^240620464 is an apocalyptic number.

It is an amenable number.

240620464 is an abundant number, since it is smaller than the sum of its proper divisors (292182240).

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

240620464 is a wasteful number, since it uses less digits than its factorization.

240620464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148412 (or 2148406 counting only the distinct ones).

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

The square root of 240620464 is about 15511.9458482809. The cubic root of 240620464 is about 621.9815753271.

The spelling of 240620464 in words is "two hundred forty million, six hundred twenty thousand, four hundred sixty-four".