240253331 has 16 divisors (see below), whose sum is σ = 258508800. Its totient is φ = 222745248.

The previous prime is 240253327. The next prime is 240253337. The reversal of 240253331 is 133352042.

It is not a de Polignac number, because 240253331 - 2² = 240253327 is a prime.

It is a super-2 number, since 2×240253331² = 115443326113191122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240253297 and 240253306.

It is not an unprimeable number, because it can be changed into a prime (240253337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116810 + ... + 118848.

It is an arithmetic number, because the mean of its divisors is an integer number (16156800).

Almost surely, 2^240253331 is an apocalyptic number.

240253331 is a deficient number, since it is larger than the sum of its proper divisors (18255469).

240253331 is a wasteful number, since it uses less digits than its factorization.

240253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 240253331 is about 15500.1074512405. The cubic root of 240253331 is about 621.6650793907.

The spelling of 240253331 in words is "two hundred forty million, two hundred fifty-three thousand, three hundred thirty-one".