1059991944 has 192 divisors, whose sum is σ = 3040571520. Its totient is φ = 307507200.

The previous prime is 1059991909. The next prime is 1059991951. The reversal of 1059991944 is 4491999501.

It is a happy number.

1059991944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1059991944² = 2247165842689798272, which contains 22 as substring.

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, 10927704 + ... + 10927800.

It is an arithmetic number, because the mean of its divisors is an integer number (15836310).

Almost surely, 2^1059991944 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 1059991944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520285760).

1059991944 is an abundant number, since it is smaller than the sum of its proper divisors (1980579576).

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

1059991944 is a wasteful number, since it uses less digits than its factorization.

1059991944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 1059991944 is about 32557.5174729278. The cubic root of 1059991944 is about 1019.6102393965.

The spelling of 1059991944 in words is "one billion, fifty-nine million, nine hundred ninety-one thousand, nine hundred forty-four".