422512410400 has 144 divisors (see below), whose sum is σ = 1139617309824. Its totient is φ = 152147578880.

The previous prime is 422512410347. The next prime is 422512410403. The reversal of 422512410400 is 4014215224.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (422512410403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362572 + ... + 988171.

It is an arithmetic number, because the mean of its divisors is an integer number (7914009096).

Almost surely, 2^422512410400 is an apocalyptic number.

422512410400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422512410400 is an abundant number, since it is smaller than the sum of its proper divisors (717104899424).

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

422512410400 is a wasteful number, since it uses less digits than its factorization.

422512410400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350803 (or 1350790 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 422512410400 its reverse (4014215224), we get a palindrome (426526625624).

The spelling of 422512410400 in words is "four hundred twenty-two billion, five hundred twelve million, four hundred ten thousand, four hundred".