427558964560 has 160 divisors (see below), whose sum is σ = 1224329137920. Its totient is φ = 135221059584.

The previous prime is 427558964557. The next prime is 427558964611. The reversal of 427558964560 is 65469855724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10820199 + ... + 10859641.

It is an arithmetic number, because the mean of its divisors is an integer number (7652057112).

Almost surely, 2^427558964560 is an apocalyptic number.

427558964560 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 427558964560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612164568960).

427558964560 is an abundant number, since it is smaller than the sum of its proper divisors (796770173360).

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

427558964560 is a wasteful number, since it uses less digits than its factorization.

427558964560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40965 (or 40959 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 61.

The spelling of 427558964560 in words is "four hundred twenty-seven billion, five hundred fifty-eight million, nine hundred sixty-four thousand, five hundred sixty".