240796731 has 24 divisors (see below), whose sum is σ = 382599504. Its totient is φ = 134238720.

The previous prime is 240796723. The next prime is 240796757. The reversal of 240796731 is 137697042.

240796731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240796731 - 2³ = 240796723 is a prime.

It is a super-2 number, since 2×240796731² = 115966131320572722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240796731.

It is not an unprimeable number, because it can be changed into a prime (240796771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13950 + ... + 26003.

It is an arithmetic number, because the mean of its divisors is an integer number (15941646).

Almost surely, 2^240796731 is an apocalyptic number.

240796731 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

240796731 is a deficient number, since it is larger than the sum of its proper divisors (141802773).

240796731 is a wasteful number, since it uses less digits than its factorization.

240796731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40011 (or 40004 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 240796731 is about 15517.6264615437. The cubic root of 240796731 is about 622.1334162032.

The spelling of 240796731 in words is "two hundred forty million, seven hundred ninety-six thousand, seven hundred thirty-one".