4478628268744 has 32 divisors (see below), whose sum is σ = 9597185582400. Its totient is φ = 1919387113920.

The previous prime is 4478628268739. The next prime is 4478628268753.

4478628268744 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4478628268744² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4194574 + ... + 5152834.

It is an arithmetic number, because the mean of its divisors is an integer number (299912049450).

Almost surely, 2^{4478628268744} is an apocalyptic number.

It is an amenable number.

4478628268744 is an abundant number, since it is smaller than the sum of its proper divisors (5118557313656).

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

4478628268744 is a wasteful number, since it uses less digits than its factorization.

4478628268744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041733 (or 1041729 counting only the distinct ones).

The product of its digits is 924844032, while the sum is 70.

The spelling of 4478628268744 in words is "four trillion, four hundred seventy-eight billion, six hundred twenty-eight million, two hundred sixty-eight thousand, seven hundred forty-four".