1140010440 has 64 divisors (see below), whose sum is σ = 3424550400. Its totient is φ = 303601152.

The previous prime is 1140010439. The next prime is 1140010447. The reversal of 1140010440 is 440100411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1140010447) 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, 91209 + ... + 102951.

It is an arithmetic number, because the mean of its divisors is an integer number (53508600).

Almost surely, 2^1140010440 is an apocalyptic number.

1140010440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140010440 is an abundant number, since it is smaller than the sum of its proper divisors (2284539960).

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

1140010440 is a wasteful number, since it uses less digits than its factorization.

1140010440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12566 (or 12562 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1140010440 is about 33764.0406349714. The cubic root of 1140010440 is about 1044.6471157256.

Adding to 1140010440 its reverse (440100411), we get a palindrome (1580110851).

The spelling of 1140010440 in words is "one billion, one hundred forty million, ten thousand, four hundred forty".