1140894432 has 36 divisors (see below), whose sum is σ = 3244419360. Its totient is φ = 380298048.

The previous prime is 1140894373. The next prime is 1140894451. The reversal of 1140894432 is 2344980411.

It is a happy number.

1140894432 is a `hidden beast` number, since 1 + 140 + 89 + 4 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1980432 + ... + 1981007.

It is an arithmetic number, because the mean of its divisors is an integer number (90122760).

Almost surely, 2^1140894432 is an apocalyptic number.

1140894432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140894432 is an abundant number, since it is smaller than the sum of its proper divisors (2103524928).

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

1140894432 is a wasteful number, since it uses less digits than its factorization.

1140894432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961455 (or 3961444 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1140894432 is about 33777.1288300234. The cubic root of 1140894432 is about 1044.9170609450.

The spelling of 1140894432 in words is "one billion, one hundred forty million, eight hundred ninety-four thousand, four hundred thirty-two".