1240111344 has 40 divisors (see below), whose sum is σ = 3207946960. Its totient is φ = 412812288.

The previous prime is 1240111343. The next prime is 1240111363. The reversal of 1240111344 is 4431110421.

It is a super-2 number, since 2×1240111344² = 3075752291034972672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1240111344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240111343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19272 + ... + 53400.

It is an arithmetic number, because the mean of its divisors is an integer number (80198674).

Almost surely, 2^1240111344 is an apocalyptic number.

It is an amenable number.

1240111344 is an abundant number, since it is smaller than the sum of its proper divisors (1967835616).

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

1240111344 is a wasteful number, since it uses less digits than its factorization.

1240111344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34897 (or 34891 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1240111344 is about 35215.2146663910. The cubic root of 1240111344 is about 1074.3692262058.

Adding to 1240111344 its reverse (4431110421), we get a palindrome (5671221765).

The spelling of 1240111344 in words is "one billion, two hundred forty million, one hundred eleven thousand, three hundred forty-four".