426181624 has 32 divisors (see below), whose sum is σ = 886037040. Its totient is φ = 190540800.

The previous prime is 426181621. The next prime is 426181631.

426181624 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 426181624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426181621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34329 + ... + 45064.

Almost surely, 2^426181624 is an apocalyptic number.

426181624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

426181624 is an abundant number, since it is smaller than the sum of its proper divisors (459855416).

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

426181624 is a wasteful number, since it uses less digits than its factorization.

426181624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79471 (or 79467 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 426181624 is about 20644.1668274600. The cubic root of 426181624 is about 752.5434382933.

The spelling of 426181624 in words is "four hundred twenty-six million, one hundred eighty-one thousand, six hundred twenty-four".