426626424 has 288 divisors, whose sum is σ = 1465495200. Its totient is φ = 109670400.

The previous prime is 426626419. The next prime is 426626479. The reversal of 426626424 is 424626624.

426626424 is a `hidden beast` number, since 4 + 2 + 6 + 6 + 2 + 642 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4223974 + ... + 4224074.

It is an arithmetic number, because the mean of its divisors is an integer number (5088525).

Almost surely, 2^426626424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426626424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732747600).

426626424 is an abundant number, since it is smaller than the sum of its proper divisors (1038868776).

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

426626424 is a wasteful number, since it uses less digits than its factorization.

426626424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 159 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 426626424 is about 20654.9370369411. The cubic root of 426626424 is about 752.8051537361.

The spelling of 426626424 in words is "four hundred twenty-six million, six hundred twenty-six thousand, four hundred twenty-four".