1069444944 has 240 divisors, whose sum is σ = 3379783680. Its totient is φ = 326125440.

The previous prime is 1069444939. The next prime is 1069444951. The reversal of 1069444944 is 4494449601.

It is a super-2 number, since 2×1069444944² = 2287424976494326272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1069444944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2289799 + ... + 2290265.

It is an arithmetic number, because the mean of its divisors is an integer number (14082432).

Almost surely, 2^1069444944 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 1069444944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689891840).

1069444944 is an abundant number, since it is smaller than the sum of its proper divisors (2310338736).

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

1069444944 is a wasteful number, since it uses less digits than its factorization.

1069444944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 1069444944 is about 32702.3690884927. The cubic root of 1069444944 is about 1022.6322325065.

The spelling of 1069444944 in words is "one billion, sixty-nine million, four hundred forty-four thousand, nine hundred forty-four".