426939788401 has 32 divisors (see below), whose sum is σ = 538048512000. Its totient is φ = 330495826752.

The previous prime is 426939788369. The next prime is 426939788413. The reversal of 426939788401 is 104887939624.

It is not a de Polignac number, because 426939788401 - 2⁵ = 426939788369 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 426939788401.

It is not an unprimeable number, because it can be changed into a prime (426939788461) 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 31 ways as a sum of consecutive naturals, for example, 395881 + ... + 1005286.

It is an arithmetic number, because the mean of its divisors is an integer number (16814016000).

Almost surely, 2^426939788401 is an apocalyptic number.

It is an amenable number.

426939788401 is a deficient number, since it is larger than the sum of its proper divisors (111108723599).

426939788401 is a wasteful number, since it uses less digits than its factorization.

426939788401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401301.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 426939788401 in words is "four hundred twenty-six billion, nine hundred thirty-nine million, seven hundred eighty-eight thousand, four hundred one".