1130443440 has 80 divisors (see below), whose sum is σ = 4005005568. Its totient is φ = 258386688.

The previous prime is 1130443439. The next prime is 1130443451. The reversal of 1130443440 is 443440311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1130443440³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1130443440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334762 + ... + 338121.

Almost surely, 2^1130443440 is an apocalyptic number.

1130443440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130443440 is an abundant number, since it is smaller than the sum of its proper divisors (2874562128).

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

1130443440 is a wasteful number, since it uses less digits than its factorization.

1130443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672906 (or 672900 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1130443440 is about 33622.0677531885. The cubic root of 1130443440 is about 1041.7166668124.

Adding to 1130443440 its reverse (443440311), we get a palindrome (1573883751).

The spelling of 1130443440 in words is "one billion, one hundred thirty million, four hundred forty-three thousand, four hundred forty".