426594840 has 128 divisors (see below), whose sum is σ = 1539648000. Its totient is φ = 92371968.

The previous prime is 426594809. The next prime is 426594853. The reversal of 426594840 is 48495624.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 426594792 and 426594801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2596 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (12028500).

Almost surely, 2^426594840 is an apocalyptic number.

426594840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426594840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769824000).

426594840 is an abundant number, since it is smaller than the sum of its proper divisors (1113053160).

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

426594840 is a wasteful number, since it uses less digits than its factorization.

426594840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26769 (or 26765 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 426594840 is about 20654.1724598203. The cubic root of 426594840 is about 752.7865760583.

The spelling of 426594840 in words is "four hundred twenty-six million, five hundred ninety-four thousand, eight hundred forty".