427263226551792 has 60 divisors (see below), whose sum is σ = 1258677487583880. Its totient is φ = 134925229436544.

The previous prime is 427263226551757. The next prime is 427263226551797. The reversal of 427263226551792 is 297155622362724.

427263226551792 is a `hidden beast` number, since 4 + 2 + 7 + 2 + 6 + 3 + 2 + 2 + 6 + 551 + 79 + 2 = 666.

It is a super-2 number, since 2×427263226551792² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427263226551797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78081727263 + ... + 78081732734.

It is an arithmetic number, because the mean of its divisors is an integer number (20977958126398).

Almost surely, 2^{427263226551792} is an apocalyptic number.

It is an amenable number.

427263226551792 is an abundant number, since it is smaller than the sum of its proper divisors (831414261032088).

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

427263226551792 is a wasteful number, since it uses less digits than its factorization.

427263226551792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156163460030 (or 156163460021 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 63.

The spelling of 427263226551792 in words is "four hundred twenty-seven trillion, two hundred sixty-three billion, two hundred twenty-six million, five hundred fifty-one thousand, seven hundred ninety-two".