240262440 has 96 divisors (see below), whose sum is σ = 792318240. Its totient is φ = 58241920.

The previous prime is 240262433. The next prime is 240262447. The reversal of 240262440 is 44262042.

It is an interprime number because it is at equal distance from previous prime (240262433) and next prime (240262447).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 240262440.

It is not an unprimeable number, because it can be changed into a prime (240262447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6247 + ... + 22793.

It is an arithmetic number, because the mean of its divisors is an integer number (8253315).

Almost surely, 2^240262440 is an apocalyptic number.

240262440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240262440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396159120).

240262440 is an abundant number, since it is smaller than the sum of its proper divisors (552055800).

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

240262440 is a wasteful number, since it uses less digits than its factorization.

240262440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16583 (or 16568 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240262440 is about 15500.4012851281. The cubic root of 240262440 is about 621.6729359250.

The spelling of 240262440 in words is "two hundred forty million, two hundred sixty-two thousand, four hundred forty".