425502421200 has 90 divisors (see below), whose sum is σ = 1476611609174. Its totient is φ = 113467311360.

The previous prime is 425502421189. The next prime is 425502421241. The reversal of 425502421200 is 2124205524.

425502421200 is a `hidden beast` number, since 425 + 5 + 0 + 24 + 212 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11765307024 + 413737114176 = 108468^2 + 643224^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59093959 + ... + 59101158.

Almost surely, 2^425502421200 is an apocalyptic number.

425502421200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425502421200 is an abundant number, since it is smaller than the sum of its proper divisors (1051109187974).

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

425502421200 is a wasteful number, since it uses less digits than its factorization.

425502421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118195141 (or 118195127 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 425502421200 its reverse (2124205524), we get a palindrome (427626626724).

The spelling of 425502421200 in words is "four hundred twenty-five billion, five hundred two million, four hundred twenty-one thousand, two hundred".