481662907820 has 12 divisors (see below), whose sum is σ = 1011492106464. Its totient is φ = 192665163120.

The previous prime is 481662907819. The next prime is 481662907837. The reversal of 481662907820 is 28709266184.

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, 12041572676 + ... + 12041572715.

It is an arithmetic number, because the mean of its divisors is an integer number (84291008872).

Almost surely, 2^481662907820 is an apocalyptic number.

It is an amenable number.

481662907820 is an abundant number, since it is smaller than the sum of its proper divisors (529829198644).

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

481662907820 is a wasteful number, since it uses less digits than its factorization.

481662907820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24083145400 (or 24083145398 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 481662907820 in words is "four hundred eighty-one billion, six hundred sixty-two million, nine hundred seven thousand, eight hundred twenty".