1140443355 has 32 divisors (see below), whose sum is σ = 1848660480. Its totient is φ = 600307200.

The previous prime is 1140443333. The next prime is 1140443383. The reversal of 1140443355 is 5533440411.

It is not a de Polignac number, because 1140443355 - 2⁹ = 1140442843 is a prime.

It is a super-2 number, since 2×1140443355² = 2601222091927312050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367651 + ... + 370739.

It is an arithmetic number, because the mean of its divisors is an integer number (57770640).

Almost surely, 2^1140443355 is an apocalyptic number.

1140443355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140443355 is a deficient number, since it is larger than the sum of its proper divisors (708217125).

1140443355 is a wasteful number, since it uses less digits than its factorization.

1140443355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1140443355 is about 33770.4509149641. The cubic root of 1140443355 is about 1044.7793326938.

Adding to 1140443355 its reverse (5533440411), we get a palindrome (6673883766).

The spelling of 1140443355 in words is "one billion, one hundred forty million, four hundred forty-three thousand, three hundred fifty-five".