1055430810 has 320 divisors, whose sum is σ = 3483406080. Its totient is φ = 223948800.

The previous prime is 1055430769. The next prime is 1055430823. The reversal of 1055430810 is 180345501.

1055430810 is a `hidden beast` number, since 1 + 0 + 554 + 30 + 81 + 0 = 666.

It is a super-2 number, since 2×1055430810² = 2227868389394512200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10449760 + ... + 10449860.

It is an arithmetic number, because the mean of its divisors is an integer number (10885644).

Almost surely, 2^1055430810 is an apocalyptic number.

1055430810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055430810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741703040).

1055430810 is an abundant number, since it is smaller than the sum of its proper divisors (2427975270).

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

1055430810 is a wasteful number, since it uses less digits than its factorization.

1055430810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1055430810 is about 32487.3946323801. The cubic root of 1055430810 is about 1018.1456794025.

The spelling of 1055430810 in words is "one billion, fifty-five million, four hundred thirty thousand, eight hundred ten".