426626540005 has 8 divisors (see below), whose sum is σ = 520344501624. Its totient is φ = 335706129600.

The previous prime is 426626539993. The next prime is 426626540051. The reversal of 426626540005 is 500045626624.

It can be written as a sum of positive squares in 4 ways, for example, as 30081780481 + 396544759524 = 173441^2 + 629718^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426626540005 - 2⁵ = 426626539973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426626540005.

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, 699387466 + ... + 699388075.

It is an arithmetic number, because the mean of its divisors is an integer number (65043062703).

Almost surely, 2^426626540005 is an apocalyptic number.

It is an amenable number.

426626540005 is a deficient number, since it is larger than the sum of its proper divisors (93717961619).

426626540005 is a wasteful number, since it uses less digits than its factorization.

426626540005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398775607.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 426626540005 in words is "four hundred twenty-six billion, six hundred twenty-six million, five hundred forty thousand, five".