416881644 has 24 divisors (see below), whose sum is σ = 974312640. Its totient is φ = 138733584.

The previous prime is 416881639. The next prime is 416881721. The reversal of 416881644 is 446188614.

It is a junction number, because it is equal to n+sod(n) for n = 416881596 and 416881605.

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, 20634 + ... + 35489.

It is an arithmetic number, because the mean of its divisors is an integer number (40596360).

Almost surely, 2^416881644 is an apocalyptic number.

It is an amenable number.

416881644 is an abundant number, since it is smaller than the sum of its proper divisors (557430996).

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

416881644 is a wasteful number, since it uses less digits than its factorization.

416881644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56749 (or 56747 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 416881644 is about 20417.6796918749. The cubic root of 416881644 is about 747.0292223998.

The spelling of 416881644 in words is "four hundred sixteen million, eight hundred eighty-one thousand, six hundred forty-four".