426763820 has 48 divisors (see below), whose sum is σ = 1048067328. Its totient is φ = 142914240.

The previous prime is 426763789. The next prime is 426763861. The reversal of 426763820 is 28367624.

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 15 ways as a sum of consecutive naturals, for example, 29426 + ... + 41465.

It is an arithmetic number, because the mean of its divisors is an integer number (21834736).

Almost surely, 2^426763820 is an apocalyptic number.

It is an amenable number.

426763820 is an abundant number, since it is smaller than the sum of its proper divisors (621303508).

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

426763820 is a wasteful number, since it uses less digits than its factorization.

426763820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70950 (or 70948 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 426763820 is about 20658.2627536780. The cubic root of 426763820 is about 752.8859592602.

The spelling of 426763820 in words is "four hundred twenty-six million, seven hundred sixty-three thousand, eight hundred twenty".