240002031402 has 40 divisors (see below), whose sum is σ = 614608379616. Its totient is φ = 68572008648.

The previous prime is 240002031383. The next prime is 240002031439. The reversal of 240002031402 is 204130200042.

240002031402 is a `hidden beast` number, since 240 + 0 + 0 + 20 + 3 + 1 + 402 = 666.

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 19 ways as a sum of consecutive naturals, for example, 105819868 + ... + 105822135.

Almost surely, 2^240002031402 is an apocalyptic number.

240002031402 is an abundant number, since it is smaller than the sum of its proper divisors (374606348214).

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

240002031402 is a wasteful number, since it uses less digits than its factorization.

240002031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211642024 (or 211642015 counting only the distinct ones).

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

Adding to 240002031402 its reverse (204130200042), we get a palindrome (444132231444).

The spelling of 240002031402 in words is "two hundred forty billion, two million, thirty-one thousand, four hundred two".