240472540 has 48 divisors (see below), whose sum is σ = 629604864. Its totient is φ = 74952000.

The previous prime is 240472537. The next prime is 240472601. The reversal of 240472540 is 45274042.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 240472499 and 240472508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76536 + ... + 79615.

It is an arithmetic number, because the mean of its divisors is an integer number (13116768).

Almost surely, 2^240472540 is an apocalyptic number.

240472540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240472540 is an abundant number, since it is smaller than the sum of its proper divisors (389132324).

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

240472540 is a wasteful number, since it uses less digits than its factorization.

240472540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156178 (or 156176 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 240472540 is about 15507.1770480639. The cubic root of 240472540 is about 621.8540925944.

The spelling of 240472540 in words is "two hundred forty million, four hundred seventy-two thousand, five hundred forty".