427312172592 has 240 divisors, whose sum is σ = 1266881581056. Its totient is φ = 134234496000.

The previous prime is 427312172557. The next prime is 427312172603. The reversal of 427312172592 is 295271213724.

427312172592 is a `hidden beast` number, since 4 + 2 + 7 + 31 + 21 + 7 + 2 + 592 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117682617 + ... + 117686247.

Almost surely, 2^427312172592 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 427312172592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633440790528).

427312172592 is an abundant number, since it is smaller than the sum of its proper divisors (839569408464).

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

427312172592 is a wasteful number, since it uses less digits than its factorization.

427312172592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360 (or 4351 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 427312172592 in words is "four hundred twenty-seven billion, three hundred twelve million, one hundred seventy-two thousand, five hundred ninety-two".