1055998944 has 720 divisors, whose sum is σ = 4314983904. Its totient is φ = 246343680.

The previous prime is 1055998927. The next prime is 1055998969. The reversal of 1055998944 is 4498995501.

1055998944 is a `hidden beast` number, since 1 + 0 + 5 + 599 + 8 + 9 + 44 = 666.

It is a super-2 number, since 2×1055998944² = 2230267539458230272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 28540494 + ... + 28540530.

Almost surely, 2^1055998944 is an apocalyptic number.

1055998944 is a gapful number since it is divisible by the number (14) 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 1055998944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157491952).

1055998944 is an abundant number, since it is smaller than the sum of its proper divisors (3258984960).

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

1055998944 is a wasteful number, since it uses less digits than its factorization.

1055998944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 1055998944 is about 32496.1373704630. The cubic root of 1055998944 is about 1018.3283344889.

It can be divided in two parts, 1055 and 998944, that added together give a palindrome (999999).

The spelling of 1055998944 in words is "one billion, fifty-five million, nine hundred ninety-eight thousand, nine hundred forty-four".