402224402400 has 72 divisors (see below), whose sum is σ = 1309240437624. Its totient is φ = 107259840000.

The previous prime is 402224402383. The next prime is 402224402441. The reversal of 402224402400 is 4204422204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 83794351 + ... + 83799150.

It is an arithmetic number, because the mean of its divisors is an integer number (18183894967).

Almost surely, 2^402224402400 is an apocalyptic number.

402224402400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402224402400 is an abundant number, since it is smaller than the sum of its proper divisors (907016035224).

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

402224402400 is a wasteful number, since it uses less digits than its factorization.

402224402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167593524 (or 167593511 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 402224402400 its reverse (4204422204), we get a palindrome (406428824604).

The spelling of 402224402400 in words is "four hundred two billion, two hundred twenty-four million, four hundred two thousand, four hundred".