240320280 has 32 divisors (see below), whose sum is σ = 720961200. Its totient is φ = 64085376.

The previous prime is 240320273. The next prime is 240320281. The reversal of 240320280 is 82023042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240320281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001215 + ... + 1001454.

Almost surely, 2^240320280 is an apocalyptic number.

240320280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240320280 is an abundant number, since it is smaller than the sum of its proper divisors (480640920).

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

240320280 is a wasteful number, since it uses less digits than its factorization.

240320280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002683 (or 2002679 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 240320280 is about 15502.2669310008. The cubic root of 240320280 is about 621.7228184307.

The spelling of 240320280 in words is "two hundred forty million, three hundred twenty thousand, two hundred eighty".