1439144044 has 48 divisors (see below), whose sum is σ = 2897391168. Its totient is φ = 619573248.

The previous prime is 1439144039. The next prime is 1439144059. The reversal of 1439144044 is 4404419341.

It is a super-2 number, since 2×1439144044² = 4142271158761347872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92689 + ... + 107095.

It is an arithmetic number, because the mean of its divisors is an integer number (60362316).

Almost surely, 2^1439144044 is an apocalyptic number.

It is an amenable number.

1439144044 is an abundant number, since it is smaller than the sum of its proper divisors (1458247124).

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

1439144044 is a wasteful number, since it uses less digits than its factorization.

1439144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14554 (or 14552 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1439144044 is about 37936.0520349706. The cubic root of 1439144044 is about 1129.0194443558.

The spelling of 1439144044 in words is "one billion, four hundred thirty-nine million, one hundred forty-four thousand, forty-four".