4499401680 has 120 divisors (see below), whose sum is σ = 15767526528. Its totient is φ = 1147669248.

The previous prime is 4499401667. The next prime is 4499401729. The reversal of 4499401680 is 861049944.

4499401680 is a `hidden beast` number, since 449 + 9 + 40 + 168 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119292 + ... + 152411.

Almost surely, 2^4499401680 is an apocalyptic number.

4499401680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4499401680 is an abundant number, since it is smaller than the sum of its proper divisors (11268124848).

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

4499401680 is a wasteful number, since it uses less digits than its factorization.

4499401680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271745 (or 271736 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4499401680 is about 67077.5795627719. The cubic root of 4499401680 is about 1650.8904504963.

The spelling of 4499401680 in words is "four billion, four hundred ninety-nine million, four hundred one thousand, six hundred eighty".