426409955 has 4 divisors (see below), whose sum is σ = 511691952. Its totient is φ = 341127960.

The previous prime is 426409943. The next prime is 426409969. The reversal of 426409955 is 559904624.

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

It is not a de Polignac number, because 426409955 - 2¹⁸ = 426147811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42640991 + ... + 42641000.

It is an arithmetic number, because the mean of its divisors is an integer number (127922988).

Almost surely, 2^426409955 is an apocalyptic number.

426409955 is a deficient number, since it is larger than the sum of its proper divisors (85281997).

426409955 is an equidigital number, since it uses as much as digits as its factorization.

426409955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85281996.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 426409955 is about 20649.6962447393. The cubic root of 426409955 is about 752.6778084843.

The spelling of 426409955 in words is "four hundred twenty-six million, four hundred nine thousand, nine hundred fifty-five".