4477699036944 has 640 divisors, whose sum is σ = 15308420198400. Its totient is φ = 1242173449728.

The previous prime is 4477699036939. The next prime is 4477699036969. The reversal of 4477699036944 is 4496309967744.

4477699036944 is a `hidden beast` number, since 4 + 477 + 6 + 9 + 90 + 3 + 69 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1199488902 + ... + 1199492634.

It is an arithmetic number, because the mean of its divisors is an integer number (23919406560).

Almost surely, 2^{4477699036944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4477699036944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7654210099200).

4477699036944 is an abundant number, since it is smaller than the sum of its proper divisors (10830721161456).

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

4477699036944 is an equidigital number, since it uses as much as digits as its factorization.

4477699036944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 987614208, while the sum is 72.

The spelling of 4477699036944 in words is "four trillion, four hundred seventy-seven billion, six hundred ninety-nine million, thirty-six thousand, nine hundred forty-four".