4494988899072 has 1152 divisors, whose sum is σ = 15929464320000. Its totient is φ = 1265024065536.

The previous prime is 4494988899031. The next prime is 4494988899073. The reversal of 4494988899072 is 2709988894944.

It is a happy number.

4494988899072 is a `hidden beast` number, since 4 + 49 + 498 + 8 + 89 + 9 + 0 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×4494988899072² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 4494988898982 and 4494988899000.

It is not an unprimeable number, because it can be changed into a prime (4494988899073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17091212413 + ... + 17091212675.

It is an arithmetic number, because the mean of its divisors is an integer number (13827660000).

Almost surely, 2^{4494988899072} is an apocalyptic number.

4494988899072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4494988899072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7964732160000).

4494988899072 is an abundant number, since it is smaller than the sum of its proper divisors (11434475420928).

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

4494988899072 is an frugal number, since it uses more digits than its factorization.

4494988899072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 3009871872, while the sum is 81.

The spelling of 4494988899072 in words is "four trillion, four hundred ninety-four billion, nine hundred eighty-eight million, eight hundred ninety-nine thousand, seventy-two".