4991104440 has 128 divisors (see below), whose sum is σ = 19013760000. Its totient is φ = 1140822144.

The previous prime is 4991104429. The next prime is 4991104483. The reversal of 4991104440 is 444011994.

It is a super-2 number, since 2×4991104440² = 49822247061975427200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4991104395 and 4991104404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322540 + ... + 337659.

It is an arithmetic number, because the mean of its divisors is an integer number (148545000).

Almost surely, 2^4991104440 is an apocalyptic number.

4991104440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4991104440 is an abundant number, since it is smaller than the sum of its proper divisors (14022655560).

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

4991104440 is a wasteful number, since it uses less digits than its factorization.

4991104440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660226 (or 660216 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4991104440 is about 70647.7490087264. The cubic root of 4991104440 is about 1708.9612651191.

The spelling of 4991104440 in words is "four billion, nine hundred ninety-one million, one hundred four thousand, four hundred forty".