402400223200 has 72 divisors (see below), whose sum is σ = 982447244352. Its totient is φ = 160945720320.

The previous prime is 402400223161. The next prime is 402400223201. The reversal of 402400223200 is 2322004204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402400223201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17113852 + ... + 17137348.

It is an arithmetic number, because the mean of its divisors is an integer number (13645100616).

Almost surely, 2^402400223200 is an apocalyptic number.

402400223200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402400223200 is an abundant number, since it is smaller than the sum of its proper divisors (580047021152).

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

402400223200 is a wasteful number, since it uses less digits than its factorization.

402400223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44924 (or 44911 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 402400223200 its reverse (2322004204), we get a palindrome (404722227404).

The spelling of 402400223200 in words is "four hundred two billion, four hundred million, two hundred twenty-three thousand, two hundred".