402749294684 has 24 divisors (see below), whose sum is σ = 770250757248. Its totient is φ = 182742685040.

The previous prime is 402749294657. The next prime is 402749294699. The reversal of 402749294684 is 486492947204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8104352 + ... + 8153895.

It is an arithmetic number, because the mean of its divisors is an integer number (32093781552).

Almost surely, 2^402749294684 is an apocalyptic number.

402749294684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402749294684 is a deficient number, since it is larger than the sum of its proper divisors (367501462564).

402749294684 is a wasteful number, since it uses less digits than its factorization.

402749294684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258825 (or 16258823 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 402749294684 in words is "four hundred two billion, seven hundred forty-nine million, two hundred ninety-four thousand, six hundred eighty-four".