426707608440 has 32 divisors (see below), whose sum is σ = 1280122825680. Its totient is φ = 113788695552.

The previous prime is 426707608433. The next prime is 426707608441. The reversal of 426707608440 is 44806707624.

It is a self number, because there is not a number n which added to its sum of digits gives 426707608440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426707608441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777948249 + ... + 1777948488.

Almost surely, 2^426707608440 is an apocalyptic number.

426707608440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426707608440 is an abundant number, since it is smaller than the sum of its proper divisors (853415217240).

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

426707608440 is a wasteful number, since it uses less digits than its factorization.

426707608440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555896751 (or 3555896747 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 426707608440 in words is "four hundred twenty-six billion, seven hundred seven million, six hundred eight thousand, four hundred forty".