426801881 has 16 divisors (see below), whose sum is σ = 493750080. Its totient is φ = 364615680.

The previous prime is 426801857. The next prime is 426801887. The reversal of 426801881 is 188108624.

It is not a de Polignac number, because 426801881 - 2¹⁴ = 426785497 is a prime.

It is a super-2 number, since 2×426801881² = 364319691250276322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426801887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159305 + ... + 161961.

It is an arithmetic number, because the mean of its divisors is an integer number (30859380).

Almost surely, 2^426801881 is an apocalyptic number.

It is an amenable number.

426801881 is a deficient number, since it is larger than the sum of its proper divisors (66948199).

426801881 is a wasteful number, since it uses less digits than its factorization.

426801881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 426801881 is about 20659.1839383844. The cubic root of 426801881 is about 752.9083406800.

The spelling of 426801881 in words is "four hundred twenty-six million, eight hundred one thousand, eight hundred eighty-one".