456801820 has 12 divisors (see below), whose sum is σ = 959283864. Its totient is φ = 182720720.

The previous prime is 456801817. The next prime is 456801841. The reversal of 456801820 is 28108654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11420026 + ... + 11420065.

It is an arithmetic number, because the mean of its divisors is an integer number (79940322).

Almost surely, 2^456801820 is an apocalyptic number.

It is an amenable number.

456801820 is an abundant number, since it is smaller than the sum of its proper divisors (502482044).

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

456801820 is a wasteful number, since it uses less digits than its factorization.

456801820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22840100 (or 22840098 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 456801820 is about 21372.9225891079. The cubic root of 456801820 is about 770.1511031957.

The spelling of 456801820 in words is "four hundred fifty-six million, eight hundred one thousand, eight hundred twenty".