426575820 has 72 divisors (see below), whose sum is σ = 1312888752. Its totient is φ = 103410560.

The previous prime is 426575789. The next prime is 426575837. The reversal of 426575820 is 28575624.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22119 + ... + 36638.

It is an arithmetic number, because the mean of its divisors is an integer number (18234566).

Almost surely, 2^426575820 is an apocalyptic number.

It is an amenable number.

426575820 is an abundant number, since it is smaller than the sum of its proper divisors (886312932).

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

426575820 is a wasteful number, since it uses less digits than its factorization.

426575820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58791 (or 58778 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 426575820 is about 20653.7120150350. The cubic root of 426575820 is about 752.7753880706.

The spelling of 426575820 in words is "four hundred twenty-six million, five hundred seventy-five thousand, eight hundred twenty".