4399997899968 has 840 divisors, whose sum is σ = 15012102454272. Its totient is φ = 1271749248000.

The previous prime is 4399997899933. The next prime is 4399997900033. The reversal of 4399997899968 is 8699987999934.

4399997899968 is a `hidden beast` number, since 439 + 9 + 9 + 9 + 78 + 9 + 9 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (99).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1380606471 + ... + 1380609657.

Almost surely, 2^{4399997899968} is an apocalyptic number.

4399997899968 is a gapful number since it is divisible by the number (48) 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 4399997899968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7506051227136).

4399997899968 is an abundant number, since it is smaller than the sum of its proper divisors (10612104554304).

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

4399997899968 is a wasteful number, since it uses less digits than its factorization.

4399997899968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3305 counting only the distinct ones).

The product of its digits is 154279448064, while the sum is 99.

The spelling of 4399997899968 in words is "four trillion, three hundred ninety-nine billion, nine hundred ninety-seven million, eight hundred ninety-nine thousand, nine hundred sixty-eight".