427159557000 has 384 divisors, whose sum is σ = 1595020377600. Its totient is φ = 102241152000.

The previous prime is 427159556899. The next prime is 427159557061. The reversal of 427159557000 is 755951724.

427159557000 is a `hidden beast` number, since 4 + 2 + 7 + 1 + 595 + 57 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7793692 + ... + 7848308.

It is an arithmetic number, because the mean of its divisors is an integer number (4153698900).

Almost surely, 2^427159557000 is an apocalyptic number.

427159557000 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 427159557000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797510188800).

427159557000 is an abundant number, since it is smaller than the sum of its proper divisors (1167860820600).

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

427159557000 is a wasteful number, since it uses less digits than its factorization.

427159557000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54734 (or 54717 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 427159557000 in words is "four hundred twenty-seven billion, one hundred fifty-nine million, five hundred fifty-seven thousand".