402648620802 has 32 divisors (see below), whose sum is σ = 859852274688. Its totient is φ = 125395119696.

The previous prime is 402648620783. The next prime is 402648620827. The reversal of 402648620802 is 208026846204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33921318 + ... + 33933185.

It is an arithmetic number, because the mean of its divisors is an integer number (26870383584).

Almost surely, 2^402648620802 is an apocalyptic number.

402648620802 is an abundant number, since it is smaller than the sum of its proper divisors (457203653886).

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

402648620802 is a wasteful number, since it uses less digits than its factorization.

402648620802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67854574.

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 402648620802 in words is "four hundred two billion, six hundred forty-eight million, six hundred twenty thousand, eight hundred two".