1140464555 has 4 divisors (see below), whose sum is σ = 1368557472. Its totient is φ = 912371640.

The previous prime is 1140464539. The next prime is 1140464561. The reversal of 1140464555 is 5554640411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1140464555 - 2⁴ = 1140464539 is a prime.

It is a super-2 number, since 2×1140464555² = 2601318802422696050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114046451 + ... + 114046460.

It is an arithmetic number, because the mean of its divisors is an integer number (342139368).

Almost surely, 2^1140464555 is an apocalyptic number.

1140464555 is a deficient number, since it is larger than the sum of its proper divisors (228092917).

1140464555 is an equidigital number, since it uses as much as digits as its factorization.

1140464555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228092916.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 1140464555 is about 33770.7647973806. The cubic root of 1140464555 is about 1044.7858065458.

The spelling of 1140464555 in words is "one billion, one hundred forty million, four hundred sixty-four thousand, five hundred fifty-five".