4449912984 has 64 divisors (see below), whose sum is σ = 13484592000. Its totient is φ = 1348457760.

The previous prime is 4449912959. The next prime is 4449912991. The reversal of 4449912984 is 4892199444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4449912984.

It is a congruent number.

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, 934054 + ... + 938805.

It is an arithmetic number, because the mean of its divisors is an integer number (210696750).

Almost surely, 2^4449912984 is an apocalyptic number.

4449912984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4449912984 is an abundant number, since it is smaller than the sum of its proper divisors (9034679016).

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

4449912984 is a wasteful number, since it uses less digits than its factorization.

4449912984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872885 (or 1872875 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 4449912984 is about 66707.6681049488. The cubic root of 4449912984 is about 1644.8154354203.

The spelling of 4449912984 in words is "four billion, four hundred forty-nine million, nine hundred twelve thousand, nine hundred eighty-four".