461263820 has 24 divisors (see below), whose sum is σ = 969174528. Its totient is φ = 184406400.

The previous prime is 461263811. The next prime is 461263837. The reversal of 461263820 is 28362164.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40565 + ... + 50675.

It is an arithmetic number, because the mean of its divisors is an integer number (40382272).

Almost surely, 2^461263820 is an apocalyptic number.

It is an amenable number.

461263820 is an abundant number, since it is smaller than the sum of its proper divisors (507910708).

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

461263820 is a wasteful number, since it uses less digits than its factorization.

461263820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12401 (or 12399 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 461263820 is about 21477.0533360608. The cubic root of 461263820 is about 772.6505719906.

The spelling of 461263820 in words is "four hundred sixty-one million, two hundred sixty-three thousand, eight hundred twenty".