402312400002 has 48 divisors (see below), whose sum is σ = 876849442560. Its totient is φ = 133308957600.

The previous prime is 402312399911. The next prime is 402312400027. The reversal of 402312400002 is 200004213204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8417649 + ... + 8465307.

It is an arithmetic number, because the mean of its divisors is an integer number (18267696720).

Almost surely, 2^402312400002 is an apocalyptic number.

402312400002 is an abundant number, since it is smaller than the sum of its proper divisors (474537042558).

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

402312400002 is a wasteful number, since it uses less digits than its factorization.

402312400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50439 (or 50436 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 402312400002 its reverse (200004213204), we get a palindrome (602316613206).

The spelling of 402312400002 in words is "four hundred two billion, three hundred twelve million, four hundred thousand, two".