1240040320344 has 128 divisors (see below), whose sum is σ = 3937317004800. Its totient is φ = 354235939200.

The previous prime is 1240040320291. The next prime is 1240040320349. The reversal of 1240040320344 is 4430230400421.

It is a happy number.

1240040320344 is a `hidden beast` number, since 12 + 4 + 0 + 0 + 403 + 203 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240040320349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9060019 + ... + 9195869.

It is an arithmetic number, because the mean of its divisors is an integer number (30760289100).

Almost surely, 2^{1240040320344} is an apocalyptic number.

1240040320344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1240040320344 is an abundant number, since it is smaller than the sum of its proper divisors (2697276684456).

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

1240040320344 is a wasteful number, since it uses less digits than its factorization.

1240040320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141910 (or 141900 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1240040320344 its reverse (4430230400421), we get a palindrome (5670270720765).

The spelling of 1240040320344 in words is "one trillion, two hundred forty billion, forty million, three hundred twenty thousand, three hundred forty-four".