4440611994624 has 880 divisors, whose sum is σ = 15226782234048. Its totient is φ = 1276950085632.

The previous prime is 4440611994587. The next prime is 4440611994659. The reversal of 4440611994624 is 4264991160444.

It is a happy number.

4440611994624 is a `hidden beast` number, since 4 + 4 + 4 + 0 + 6 + 1 + 1 + 9 + 9 + 4 + 624 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2877907197 + ... + 2877908739.

Almost surely, 2^{4440611994624} 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 4440611994624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7613391117024).

4440611994624 is an abundant number, since it is smaller than the sum of its proper divisors (10786170239424).

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

4440611994624 is a wasteful number, since it uses less digits than its factorization.

4440611994624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 4440611994624 in words is "four trillion, four hundred forty billion, six hundred eleven million, nine hundred ninety-four thousand, six hundred twenty-four".