1140054240 has 96 divisors (see below), whose sum is σ = 3867435936. Its totient is φ = 280627200.

The previous prime is 1140054229. The next prime is 1140054247. The reversal of 1140054240 is 424500411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140054247) 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, 85111 + ... + 97590.

It is an arithmetic number, because the mean of its divisors is an integer number (40285791).

Almost surely, 2^1140054240 is an apocalyptic number.

1140054240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140054240 is an abundant number, since it is smaller than the sum of its proper divisors (2727381696).

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

1140054240 is a wasteful number, since it uses less digits than its factorization.

1140054240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182732 (or 182724 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1140054240 is about 33764.6892477926. The cubic root of 1140054240 is about 1044.6604942457.

Adding to 1140054240 its reverse (424500411), we get a palindrome (1564554651).

The spelling of 1140054240 in words is "one billion, one hundred forty million, fifty-four thousand, two hundred forty".