1140042384 has 80 divisors (see below), whose sum is σ = 3524080000. Its totient is φ = 350780544.

The previous prime is 1140042383. The next prime is 1140042413. The reversal of 1140042384 is 4832400411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1140042383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95884 + ... + 107115.

It is an arithmetic number, because the mean of its divisors is an integer number (44051000).

Almost surely, 2^1140042384 is an apocalyptic number.

It is an amenable number.

1140042384 is an abundant number, since it is smaller than the sum of its proper divisors (2384037616).

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

1140042384 is a wasteful number, since it uses less digits than its factorization.

1140042384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203029 (or 203017 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1140042384 is about 33764.5136793054. The cubic root of 1140042384 is about 1044.6568729157.

Adding to 1140042384 its reverse (4832400411), we get a palindrome (5972442795).

The spelling of 1140042384 in words is "one billion, one hundred forty million, forty-two thousand, three hundred eighty-four".