426214644 has 24 divisors (see below), whose sum is σ = 998289600. Its totient is φ = 141530304.

The previous prime is 426214619. The next prime is 426214673. The reversal of 426214644 is 446412624.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64369 + ... + 70680.

It is an arithmetic number, because the mean of its divisors is an integer number (41595400).

Almost surely, 2^426214644 is an apocalyptic number.

It is an amenable number.

426214644 is an abundant number, since it is smaller than the sum of its proper divisors (572074956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426214644 is a wasteful number, since it uses less digits than its factorization.

426214644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135319 (or 135317 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 426214644 is about 20644.9665536179. The cubic root of 426214644 is about 752.5628731549.

The spelling of 426214644 in words is "four hundred twenty-six million, two hundred fourteen thousand, six hundred forty-four".