403840317212 has 12 divisors (see below), whose sum is σ = 723155917176. Its totient is φ = 197224340880.

The previous prime is 403840317173. The next prime is 403840317233. The reversal of 403840317212 is 212713048304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173954239 + ... + 1173954582.

It is an arithmetic number, because the mean of its divisors is an integer number (60262993098).

Almost surely, 2^403840317212 is an apocalyptic number.

It is an amenable number.

403840317212 is a deficient number, since it is larger than the sum of its proper divisors (319315599964).

403840317212 is a wasteful number, since it uses less digits than its factorization.

403840317212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347908868 (or 2347908866 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 403840317212 in words is "four hundred three billion, eight hundred forty million, three hundred seventeen thousand, two hundred twelve".