1075447813444 has 27 divisors (see below), whose sum is σ = 1908436805373. Its totient is φ = 530283159072.

The previous prime is 1075447813439. The next prime is 1075447813457. The reversal of 1075447813444 is 4443187445701.

The square root of 1075447813444 is 1037038.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 610476568900 + 464971244544 = 781330^2 + 681888^2 .

It is a super-2 number, since 2×1075447813444² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075447813391 and 1075447813400.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 151403997 + ... + 151411099.

Almost surely, 2^{1075447813444} is an apocalyptic number.

1075447813444 is the 1037038-th square number.

It is an amenable number.

1075447813444 is a deficient number, since it is larger than the sum of its proper divisors (832988991929).

1075447813444 is an frugal number, since it uses more digits than its factorization.

1075447813444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14356 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 1075447813444 in words is "one trillion, seventy-five billion, four hundred forty-seven million, eight hundred thirteen thousand, four hundred forty-four".