425731000000 has 392 divisors, whose sum is σ = 1135841711040. Its totient is φ = 157747200000.

The previous prime is 425730999977. The next prime is 425731000043. The reversal of 425731000000 is 137524.

It is a super-2 number, since 2×425731000000² (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 55 ways as a sum of consecutive naturals, for example, 1342999842 + ... + 1343000158.

Almost surely, 2^425731000000 is an apocalyptic number.

425731000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425731000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567920855520).

425731000000 is an abundant number, since it is smaller than the sum of its proper divisors (710110711040).

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

425731000000 is an frugal number, since it uses more digits than its factorization.

425731000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

Adding to 425731000000 its reverse (137524), we get a palindrome (425731137524).

The spelling of 425731000000 in words is "four hundred twenty-five billion, seven hundred thirty-one million", and thus it is an aban number.