240981790 has 16 divisors (see below), whose sum is σ = 495734112. Its totient is φ = 82622304.

The previous prime is 240981751. The next prime is 240981803. The reversal of 240981790 is 97189042.

It is a super-2 number, since 2×240981790² = 116144446223208200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721229 + ... + 1721368.

It is an arithmetic number, because the mean of its divisors is an integer number (30983382).

Almost surely, 2^240981790 is an apocalyptic number.

240981790 is an abundant number, since it is smaller than the sum of its proper divisors (254752322).

240981790 is a wasteful number, since it uses less digits than its factorization.

240981790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442611.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 240981790 is about 15523.5881805722. The cubic root of 240981790 is about 622.2927510165.

The spelling of 240981790 in words is "two hundred forty million, nine hundred eighty-one thousand, seven hundred ninety".