810461408 has 12 divisors (see below), whose sum is σ = 1595595960. Its totient is φ = 405230688.

The previous prime is 810461401. The next prime is 810461429. The reversal of 810461408 is 804164018.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 25326919 = 810461408 / (8 + 1 + 0 + 4 + 6 + 1 + 4 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810461401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12663428 + ... + 12663491.

It is an arithmetic number, because the mean of its divisors is an integer number (132966330).

Almost surely, 2^810461408 is an apocalyptic number.

It is an amenable number.

810461408 is a deficient number, since it is larger than the sum of its proper divisors (785134552).

810461408 is a wasteful number, since it uses less digits than its factorization.

810461408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25326929 (or 25326921 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 810461408 is about 28468.6038997349. The cubic root of 810461408 is about 932.3467184270.

The spelling of 810461408 in words is "eight hundred ten million, four hundred sixty-one thousand, four hundred eight".