402200032320 has 84 divisors (see below), whose sum is σ = 1383400537740. Its totient is φ = 107253341184.

The previous prime is 402200032303. The next prime is 402200032331. The reversal of 402200032320 is 23230002204.

402200032320 is a `hidden beast` number, since 402 + 200 + 0 + 32 + 32 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 315071161344 + 87128870976 = 561312^2 + 295176^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 402200032293 and 402200032302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69823515 + ... + 69829274.

Almost surely, 2^402200032320 is an apocalyptic number.

402200032320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402200032320 is an abundant number, since it is smaller than the sum of its proper divisors (981200505420).

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

402200032320 is a wasteful number, since it uses less digits than its factorization.

402200032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139652812 (or 139652799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 402200032320 its reverse (23230002204), we get a palindrome (425430034524).

The spelling of 402200032320 in words is "four hundred two billion, two hundred million, thirty-two thousand, three hundred twenty".