402851285408 has 96 divisors (see below), whose sum is σ = 980810389440. Its totient is φ = 160132239360.

The previous prime is 402851285401. The next prime is 402851285453. The reversal of 402851285408 is 804582158204.

It is not an unprimeable number, because it can be changed into a prime (402851285401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229785 + ... + 2403672.

It is an arithmetic number, because the mean of its divisors is an integer number (10216774890).

Almost surely, 2^402851285408 is an apocalyptic number.

It is an amenable number.

402851285408 is an abundant number, since it is smaller than the sum of its proper divisors (577959104032).

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

402851285408 is a wasteful number, since it uses less digits than its factorization.

402851285408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633510 (or 4633502 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 47.

The spelling of 402851285408 in words is "four hundred two billion, eight hundred fifty-one million, two hundred eighty-five thousand, four hundred eight".