461634025446 has 128 divisors (see below), whose sum is σ = 1124425774080. Its totient is φ = 139226688000.

The previous prime is 461634025361. The next prime is 461634025451. The reversal of 461634025446 is 644520436164.

461634025446 is a `hidden beast` number, since 4 + 6 + 1 + 63 + 40 + 2 + 544 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119809656 + ... + 119813508.

It is an arithmetic number, because the mean of its divisors is an integer number (8784576360).

Almost surely, 2^461634025446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461634025446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562212887040).

461634025446 is an abundant number, since it is smaller than the sum of its proper divisors (662791748634).

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

461634025446 is a wasteful number, since it uses less digits than its factorization.

461634025446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779 (or 4773 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 461634025446 in words is "four hundred sixty-one billion, six hundred thirty-four million, twenty-five thousand, four hundred forty-six".