426537855 has 48 divisors (see below), whose sum is σ = 762521760. Its totient is φ = 220437504.

The previous prime is 426537851. The next prime is 426537863. The reversal of 426537855 is 558735624.

It is not a de Polignac number, because 426537855 - 2² = 426537851 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (1008000) is a multiple of the sum of its prime factors (1800).

It is a self number, because there is not a number n which added to its sum of digits gives 426537855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426537851) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 264291 + ... + 265899.

It is an arithmetic number, because the mean of its divisors is an integer number (15885870).

Almost surely, 2^426537855 is an apocalyptic number.

426537855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

426537855 is a deficient number, since it is larger than the sum of its proper divisors (335983905).

426537855 is a wasteful number, since it uses less digits than its factorization.

426537855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1797 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 426537855 is about 20652.7929104032. The cubic root of 426537855 is about 752.7530552174.

The spelling of 426537855 in words is "four hundred twenty-six million, five hundred thirty-seven thousand, eight hundred fifty-five".