402647480 has 16 divisors (see below), whose sum is σ = 905956920. Its totient is φ = 161058976.

The previous prime is 402647467. The next prime is 402647491. The reversal of 402647480 is 84746204.

It is a self number, because there is not a number n which added to its sum of digits gives 402647480.

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, 5033054 + ... + 5033133.

Almost surely, 2^402647480 is an apocalyptic number.

402647480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402647480 is an abundant number, since it is smaller than the sum of its proper divisors (503309440).

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

402647480 is a wasteful number, since it uses less digits than its factorization.

402647480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066198 (or 10066194 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 402647480 is about 20066.0778429667. The cubic root of 402647480 is about 738.4282930969.

The spelling of 402647480 in words is "four hundred two million, six hundred forty-seven thousand, four hundred eighty".