1140505023444 has 12 divisors (see below), whose sum is σ = 2661178388064. Its totient is φ = 380168341144.

The previous prime is 1140505023433. The next prime is 1140505023491. The reversal of 1140505023444 is 4443205050411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1140505023444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47521042632 + ... + 47521042655.

It is an arithmetic number, because the mean of its divisors is an integer number (221764865672).

Almost surely, 2^{1140505023444} is an apocalyptic number.

It is an amenable number.

1140505023444 is an abundant number, since it is smaller than the sum of its proper divisors (1520673364620).

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

1140505023444 is a wasteful number, since it uses less digits than its factorization.

1140505023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95042085294 (or 95042085292 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 1140505023444 in words is "one trillion, one hundred forty billion, five hundred five million, twenty-three thousand, four hundred forty-four".