461441225544 has 64 divisors (see below), whose sum is σ = 1282417328640. Its totient is φ = 137401850880.

The previous prime is 461441225521. The next prime is 461441225591. The reversal of 461441225544 is 445522144164.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 461441225496 and 461441225505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23844817 + ... + 23864160.

It is an arithmetic number, because the mean of its divisors is an integer number (20037770760).

Almost surely, 2^461441225544 is an apocalyptic number.

It is an amenable number.

461441225544 is an abundant number, since it is smaller than the sum of its proper divisors (820976103096).

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

461441225544 is a wasteful number, since it uses less digits than its factorization.

461441225544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47709030 (or 47709026 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

The spelling of 461441225544 in words is "four hundred sixty-one billion, four hundred forty-one million, two hundred twenty-five thousand, five hundred forty-four".