426551481812 has 24 divisors (see below), whose sum is σ = 790565368320. Its totient is φ = 200681712000.

The previous prime is 426551481793. The next prime is 426551481841. The reversal of 426551481812 is 218184155624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471314 + ... + 1036937.

It is an arithmetic number, because the mean of its divisors is an integer number (32940223680).

Almost surely, 2^426551481812 is an apocalyptic number.

It is an amenable number.

426551481812 is a deficient number, since it is larger than the sum of its proper divisors (364013886508).

426551481812 is a wasteful number, since it uses less digits than its factorization.

426551481812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512431 (or 1512429 counting only the distinct ones).

The product of its digits is 614400, while the sum is 47.

The spelling of 426551481812 in words is "four hundred twenty-six billion, five hundred fifty-one million, four hundred eighty-one thousand, eight hundred twelve".