426237655 has 4 divisors (see below), whose sum is σ = 511485192. Its totient is φ = 340990120.

The previous prime is 426237649. The next prime is 426237667. The reversal of 426237655 is 556732624.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 426237655 - 2⁹ = 426237143 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42623761 + ... + 42623770.

It is an arithmetic number, because the mean of its divisors is an integer number (127871298).

Almost surely, 2^426237655 is an apocalyptic number.

426237655 is a deficient number, since it is larger than the sum of its proper divisors (85247537).

426237655 is an equidigital number, since it uses as much as digits as its factorization.

426237655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85247536.

The product of its digits is 302400, while the sum is 40.

The square root of 426237655 is about 20645.5238490090. The cubic root of 426237655 is about 752.5764163409.

The spelling of 426237655 in words is "four hundred twenty-six million, two hundred thirty-seven thousand, six hundred fifty-five".