240231402 has 24 divisors (see below), whose sum is σ = 547896960. Its totient is φ = 75862440.

The previous prime is 240231391. The next prime is 240231427. The reversal of 240231402 is 204132042.

240231402 is a `hidden beast` number, since 240 + 23 + 1 + 402 = 666.

It is a super-2 number, since 2×240231402² = 115422253013771208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350874 + ... + 351557.

It is an arithmetic number, because the mean of its divisors is an integer number (22829040).

Almost surely, 2^240231402 is an apocalyptic number.

240231402 is an abundant number, since it is smaller than the sum of its proper divisors (307665558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240231402 is a wasteful number, since it uses less digits than its factorization.

240231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702458 (or 702455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240231402 is about 15499.4000529053. The cubic root of 240231402 is about 621.6461647611.

Adding to 240231402 its reverse (204132042), we get a palindrome (444363444).

It can be divided in two parts, 24023 and 1402, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 240231402 in words is "two hundred forty million, two hundred thirty-one thousand, four hundred two".