402327206400 has 240 divisors, whose sum is σ = 1518929907264. Its totient is φ = 91960442880.

The previous prime is 402327206339. The next prime is 402327206417. The reversal of 402327206400 is 4602723204.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479577 + ... + 1017176.

Almost surely, 2^402327206400 is an apocalyptic number.

402327206400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402327206400 is an abundant number, since it is smaller than the sum of its proper divisors (1116602700864).

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

402327206400 is a wasteful number, since it uses less digits than its factorization.

402327206400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496791 (or 1496770 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 402327206400 its reverse (4602723204), we get a palindrome (406929929604).

The spelling of 402327206400 in words is "four hundred two billion, three hundred twenty-seven million, two hundred six thousand, four hundred".