426993758772 has 48 divisors (see below), whose sum is σ = 1138711375872. Its totient is φ = 121991643360.

The previous prime is 426993758753. The next prime is 426993758803. The reversal of 426993758772 is 277857399624.

It is a junction number, because it is equal to n+sod(n) for n = 426993758697 and 426993758706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554997 + ... + 1808867.

It is an arithmetic number, because the mean of its divisors is an integer number (23723153664).

Almost surely, 2^426993758772 is an apocalyptic number.

426993758772 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

426993758772 is an abundant number, since it is smaller than the sum of its proper divisors (711717617100).

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

426993758772 is a wasteful number, since it uses less digits than its factorization.

426993758772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273908 (or 273906 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 69.

The spelling of 426993758772 in words is "four hundred twenty-six billion, nine hundred ninety-three million, seven hundred fifty-eight thousand, seven hundred seventy-two".