426836404638624 has 96 divisors (see below), whose sum is σ = 1198100205562176. Its totient is φ = 132583623987200.

The previous prime is 426836404638533. The next prime is 426836404638647.

It is a happy number.

426836404638624 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×426836404638624² (a number of 30 digits) contains 22 as substring.

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, 1294597122 + ... + 1294926785.

It is an arithmetic number, because the mean of its divisors is an integer number (12480210474606).

Almost surely, 2^{426836404638624} is an apocalyptic number.

It is an amenable number.

426836404638624 is an abundant number, since it is smaller than the sum of its proper divisors (771263800923552).

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

426836404638624 is a wasteful number, since it uses less digits than its factorization.

426836404638624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589524038 (or 2589524030 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 66.

The spelling of 426836404638624 in words is "four hundred twenty-six trillion, eight hundred thirty-six billion, four hundred four million, six hundred thirty-eight thousand, six hundred twenty-four".