1240041140 has 48 divisors (see below), whose sum is σ = 2808908928. Its totient is φ = 457125504.

The previous prime is 1240041139. The next prime is 1240041157. The reversal of 1240041140 is 411400421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174089 + ... + 181071.

It is an arithmetic number, because the mean of its divisors is an integer number (58518936).

Almost surely, 2^1240041140 is an apocalyptic number.

1240041140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240041140 is an abundant number, since it is smaller than the sum of its proper divisors (1568867788).

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

1240041140 is a wasteful number, since it uses less digits than its factorization.

1240041140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688 (or 7686 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1240041140 is about 35214.2178672195. The cubic root of 1240041140 is about 1074.3489521014.

Adding to 1240041140 its reverse (411400421), we get a palindrome (1651441561).

The spelling of 1240041140 in words is "one billion, two hundred forty million, forty-one thousand, one hundred forty".