2240465731 has 32 divisors (see below), whose sum is σ = 2802470400. Its totient is φ = 1747630080.

The previous prime is 2240465723. The next prime is 2240465741. The reversal of 2240465731 is 1375640422.

It is not a de Polignac number, because 2240465731 - 2³ = 2240465723 is a prime.

It is a super-2 number, since 2×2240465731² = 10039373383570728722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240465741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 812451 + ... + 815203.

It is an arithmetic number, because the mean of its divisors is an integer number (87577200).

Almost surely, 2^2240465731 is an apocalyptic number.

2240465731 is a deficient number, since it is larger than the sum of its proper divisors (562004669).

2240465731 is a wasteful number, since it uses less digits than its factorization.

2240465731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2240465731 is about 47333.5581907805. The cubic root of 2240465731 is about 1308.5171985644.

The spelling of 2240465731 in words is "two billion, two hundred forty million, four hundred sixty-five thousand, seven hundred thirty-one".