7449427974944 has 192 divisors, whose sum is σ = 16286565335040. Its totient is φ = 3339821859840.

The previous prime is 7449427974899. The next prime is 7449427975049. The reversal of 7449427974944 is 4494797249447.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2025950834 + ... + 2025954510.

It is an arithmetic number, because the mean of its divisors is an integer number (84825861120).

Almost surely, 2^{7449427974944} 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 7449427974944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8143282667520).

7449427974944 is an abundant number, since it is smaller than the sum of its proper divisors (8837137360096).

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

7449427974944 is a wasteful number, since it uses less digits than its factorization.

7449427974944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071 (or 6063 counting only the distinct ones).

The product of its digits is 2048385024, while the sum is 74.

The spelling of 7449427974944 in words is "seven trillion, four hundred forty-nine billion, four hundred twenty-seven million, nine hundred seventy-four thousand, nine hundred forty-four".