425255515280 has 40 divisors (see below), whose sum is σ = 988935287424. Its totient is φ = 170065008000.

The previous prime is 425255515247. The next prime is 425255515283. The reversal of 425255515280 is 82515552524.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (425255515283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211646 + ... + 946205.

Almost surely, 2^425255515280 is an apocalyptic number.

425255515280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425255515280 is an abundant number, since it is smaller than the sum of its proper divisors (563679772144).

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

425255515280 is a wasteful number, since it uses less digits than its factorization.

425255515280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162455 (or 1162449 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 44.

The spelling of 425255515280 in words is "four hundred twenty-five billion, two hundred fifty-five million, five hundred fifteen thousand, two hundred eighty".