1055446128 has 120 divisors (see below), whose sum is σ = 3252403440. Its totient is φ = 316846080.

The previous prime is 1055446079. The next prime is 1055446151. The reversal of 1055446128 is 8216445501.

It is a happy number.

1055446128 is a `hidden beast` number, since 105 + 544 + 6 + 1 + 2 + 8 = 666.

It is a super-2 number, since 2×1055446128² = 2227933058220384768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1055446092 and 1055446101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169600 + ... + 175712.

It is an arithmetic number, because the mean of its divisors is an integer number (27103362).

Almost surely, 2^1055446128 is an apocalyptic number.

1055446128 is a gapful number since it is divisible by the number (18) 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 1055446128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626201720).

1055446128 is an abundant number, since it is smaller than the sum of its proper divisors (2196957312).

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

1055446128 is a wasteful number, since it uses less digits than its factorization.

1055446128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247 (or 6238 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1055446128 is about 32487.6303845017. The cubic root of 1055446128 is about 1018.1506049994.

The spelling of 1055446128 in words is "one billion, fifty-five million, four hundred forty-six thousand, one hundred twenty-eight".