1056280580 has 48 divisors (see below), whose sum is σ = 2236059840. Its totient is φ = 419126400.

The previous prime is 1056280573. The next prime is 1056280583. The reversal of 1056280580 is 850826501.

It is a happy number.

It is a super-3 number, since 3×1056280580³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1056280580.

It is not an unprimeable number, because it can be changed into a prime (1056280583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2508770 + ... + 2509190.

It is an arithmetic number, because the mean of its divisors is an integer number (46584580).

Almost surely, 2^1056280580 is an apocalyptic number.

1056280580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056280580 is an abundant number, since it is smaller than the sum of its proper divisors (1179779260).

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

1056280580 is a wasteful number, since it uses less digits than its factorization.

1056280580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 1056280580 is about 32500.4704581334. The cubic root of 1056280580 is about 1018.4188561786.

The spelling of 1056280580 in words is "one billion, fifty-six million, two hundred eighty thousand, five hundred eighty".