426690116 has 18 divisors (see below), whose sum is σ = 765394602. Its totient is φ = 208012480.

The previous prime is 426690101. The next prime is 426690127. The reversal of 426690116 is 611096624.

It can be written as a sum of positive squares in 3 ways, for example, as 23483716 + 403206400 = 4846^2 + 20080^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263726 + ... + 265338.

Almost surely, 2^426690116 is an apocalyptic number.

It is an amenable number.

426690116 is a deficient number, since it is larger than the sum of its proper divisors (338704486).

426690116 is an equidigital number, since it uses as much as digits as its factorization.

426690116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 426690116 is about 20656.4787899584. The cubic root of 426690116 is about 752.8426145194.

It can be divided in two parts, 4266 and 90116, that multiplied together give a triangular number (384434856 = T₂₇₇₂₈).

The spelling of 426690116 in words is "four hundred twenty-six million, six hundred ninety thousand, one hundred sixteen".