427153157256 has 256 divisors, whose sum is σ = 1260748800000. Its totient is φ = 118080748800.

The previous prime is 427153157243. The next prime is 427153157273. The reversal of 427153157256 is 652751351724.

427153157256 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284957995 + ... + 284959493.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800000).

Almost surely, 2^427153157256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427153157256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630374400000).

427153157256 is an abundant number, since it is smaller than the sum of its proper divisors (833595642744).

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

427153157256 is a wasteful number, since it uses less digits than its factorization.

427153157256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1948 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

The spelling of 427153157256 in words is "four hundred twenty-seven billion, one hundred fifty-three million, one hundred fifty-seven thousand, two hundred fifty-six".