4491403580 has 24 divisors (see below), whose sum is σ = 9523524192. Its totient is φ = 1779118272.

The previous prime is 4491403577. The next prime is 4491403627. The reversal of 4491403580 is 853041944.

It is a super-2 number, since 2×4491403580² = 40345412236873632800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1088087 + ... + 1092206.

It is an arithmetic number, because the mean of its divisors is an integer number (396813508).

Almost surely, 2^4491403580 is an apocalyptic number.

It is an amenable number.

4491403580 is an abundant number, since it is smaller than the sum of its proper divisors (5032120612).

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

4491403580 is a wasteful number, since it uses less digits than its factorization.

4491403580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180405 (or 2180403 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 4491403580 is about 67017.9347637631. The cubic root of 4491403580 is about 1649.9116671414.

The spelling of 4491403580 in words is "four billion, four hundred ninety-one million, four hundred three thousand, five hundred eighty".