1090015345444 has 27 divisors (see below), whose sum is σ = 2026400746993. Its totient is φ = 512931693248.

The previous prime is 1090015345429. The next prime is 1090015345459. The reversal of 1090015345444 is 4445435100901.

The square root of 1090015345444 is 1044038.

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

It is an interprime number because it is at equal distance from previous prime (1090015345429) and next prime (1090015345459).

It can be written as a sum of positive squares in only one way, i.e., 848627864100 + 241387481344 = 921210^2 + 491312^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090015345397 and 1090015345406.

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, 35481939 + ... + 35512645.

Almost surely, 2^{1090015345444} is an apocalyptic number.

1090015345444 is the 1044038-th square number.

It is an amenable number.

1090015345444 is a deficient number, since it is larger than the sum of its proper divisors (936385401549).

1090015345444 is an frugal number, since it uses more digits than its factorization.

1090015345444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61452 (or 30726 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1090015345444 in words is "one trillion, ninety billion, fifteen million, three hundred forty-five thousand, four hundred forty-four".