426291655 has 4 divisors (see below), whose sum is σ = 511549992. Its totient is φ = 341033320.

The previous prime is 426291641. The next prime is 426291659. The reversal of 426291655 is 556192624.

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

It is not a de Polignac number, because 426291655 - 2⁷ = 426291527 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 not an unprimeable number, because it can be changed into a prime (426291659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42629161 + ... + 42629170.

It is an arithmetic number, because the mean of its divisors is an integer number (127887498).

Almost surely, 2^426291655 is an apocalyptic number.

426291655 is a deficient number, since it is larger than the sum of its proper divisors (85258337).

426291655 is an equidigital number, since it uses as much as digits as its factorization.

426291655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85258336.

The product of its digits is 129600, while the sum is 40.

The square root of 426291655 is about 20646.8315971240. The cubic root of 426291655 is about 752.6081962724.

The spelling of 426291655 in words is "four hundred twenty-six million, two hundred ninety-one thousand, six hundred fifty-five".