240384390 has 32 divisors (see below), whose sum is σ = 607288320. Its totient is φ = 60728544.

The previous prime is 240384383. The next prime is 240384479. The reversal of 240384390 is 93483042.

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, 210294 + ... + 211433.

It is an arithmetic number, because the mean of its divisors is an integer number (18977760).

Almost surely, 2^240384390 is an apocalyptic number.

240384390 is an abundant number, since it is smaller than the sum of its proper divisors (366903930).

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

240384390 is a wasteful number, since it uses less digits than its factorization.

240384390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421756.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 240384390 is about 15504.3345552139. The cubic root of 240384390 is about 621.7780989728.

The spelling of 240384390 in words is "two hundred forty million, three hundred eighty-four thousand, three hundred ninety".