1140253040 has 40 divisors (see below), whose sum is σ = 2660575248. Its totient is φ = 454469120.

The previous prime is 1140253031. The next prime is 1140253109. The reversal of 1140253040 is 403520411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 47841.

Almost surely, 2^1140253040 is an apocalyptic number.

1140253040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140253040 is an abundant number, since it is smaller than the sum of its proper divisors (1520322208).

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

1140253040 is a wasteful number, since it uses less digits than its factorization.

1140253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51017 (or 51011 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1140253040 is about 33767.6330233554. The cubic root of 1140253040 is about 1044.7212125369.

Adding to 1140253040 its reverse (403520411), we get a palindrome (1543773451).

The spelling of 1140253040 in words is "one billion, one hundred forty million, two hundred fifty-three thousand, forty".