240981957 has 12 divisors (see below), whose sum is σ = 350392224. Its totient is φ = 159589800.

The previous prime is 240981931. The next prime is 240981973. The reversal of 240981957 is 759189042.

It is not a de Polignac number, because 240981957 - 2⁸ = 240981701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240981457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87303 + ... + 90020.

It is an arithmetic number, because the mean of its divisors is an integer number (29199352).

Almost surely, 2^240981957 is an apocalyptic number.

It is an amenable number.

240981957 is a deficient number, since it is larger than the sum of its proper divisors (109410267).

240981957 is a wasteful number, since it uses less digits than its factorization.

240981957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177480 (or 177477 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 240981957 is about 15523.5935594823. The cubic root of 240981957 is about 622.2928947658.

The spelling of 240981957 in words is "two hundred forty million, nine hundred eighty-one thousand, nine hundred fifty-seven".