425325552520 has 32 divisors (see below), whose sum is σ = 1043980902720. Its totient is φ = 154663837120.

The previous prime is 425325552497. The next prime is 425325552539. The reversal of 425325552520 is 25255523524.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483324052 + ... + 483324931.

It is an arithmetic number, because the mean of its divisors is an integer number (32624403210).

Almost surely, 2^425325552520 is an apocalyptic number.

425325552520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425325552520 is an abundant number, since it is smaller than the sum of its proper divisors (618655350200).

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

425325552520 is a wasteful number, since it uses less digits than its factorization.

425325552520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966649005 (or 966649001 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 425325552520 in words is "four hundred twenty-five billion, three hundred twenty-five million, five hundred fifty-two thousand, five hundred twenty".