461644704 has 48 divisors (see below), whose sum is σ = 1346466240. Its totient is φ = 153881280.

The previous prime is 461644697. The next prime is 461644717. The reversal of 461644704 is 407446164.

461644704 is a `hidden beast` number, since 4 + 6 + 1 + 644 + 7 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266292 + ... + 268019.

It is an arithmetic number, because the mean of its divisors is an integer number (28051380).

Almost surely, 2^461644704 is an apocalyptic number.

It is an amenable number.

461644704 is an abundant number, since it is smaller than the sum of its proper divisors (884821536).

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

461644704 is a wasteful number, since it uses less digits than its factorization.

461644704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534330 (or 534316 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 461644704 is about 21485.9187376291. The cubic root of 461644704 is about 772.8631829827.

The spelling of 461644704 in words is "four hundred sixty-one million, six hundred forty-four thousand, seven hundred four".