1240111012040 has 64 divisors (see below), whose sum is σ = 2806113726000. Its totient is φ = 493232053248.

The previous prime is 1240111012033. The next prime is 1240111012087. The reversal of 1240111012040 is 402101110421.

It can be written as a sum of positive squares in 8 ways, for example, as 78195173956 + 1161915838084 = 279634^2 + 1077922^2 .

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, 4910786 + ... + 5157134.

Almost surely, 2^{1240111012040} is an apocalyptic number.

1240111012040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240111012040 is an abundant number, since it is smaller than the sum of its proper divisors (1566002713960).

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

1240111012040 is a wasteful number, since it uses less digits than its factorization.

1240111012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247074 (or 247070 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1240111012040 its reverse (402101110421), we get a palindrome (1642212122461).

The spelling of 1240111012040 in words is "one trillion, two hundred forty billion, one hundred eleven million, twelve thousand, forty".