425563797800 has 48 divisors (see below), whose sum is σ = 993007929660. Its totient is φ = 169610964480.

The previous prime is 425563797787. The next prime is 425563797821. The reversal of 425563797800 is 8797365524.

It can be written as a sum of positive squares in 6 ways, for example, as 59129703556 + 366434094244 = 243166^2 + 605338^2 .

It is a super-2 number, since 2×425563797800² (a number of 24 digits) contains 22 as substring.

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, 3785429 + ... + 3896228.

Almost surely, 2^425563797800 is an apocalyptic number.

425563797800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425563797800 is an abundant number, since it is smaller than the sum of its proper divisors (567444131860).

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

425563797800 is a wasteful number, since it uses less digits than its factorization.

425563797800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681950 (or 7681941 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 425563797800 in words is "four hundred twenty-five billion, five hundred sixty-three million, seven hundred ninety-seven thousand, eight hundred".