1055933880 has 128 divisors (see below), whose sum is σ = 3218227200. Its totient is φ = 277143552.

The previous prime is 1055933867. The next prime is 1055933897. The reversal of 1055933880 is 883395501.

It is a super-2 number, since 2×1055933880² = 2229992717863708800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2941141 + ... + 2941499.

It is an arithmetic number, because the mean of its divisors is an integer number (25142400).

Almost surely, 2^1055933880 is an apocalyptic number.

1055933880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055933880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609113600).

1055933880 is an abundant number, since it is smaller than the sum of its proper divisors (2162293320).

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

1055933880 is a wasteful number, since it uses less digits than its factorization.

1055933880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1055933880 is about 32495.1362514454. The cubic root of 1055933880 is about 1018.3074197345.

The spelling of 1055933880 in words is "one billion, fifty-five million, nine hundred thirty-three thousand, eight hundred eighty".