1240004440109 has 16 divisors (see below), whose sum is σ = 1253433148800. Its totient is φ = 1226667214080.

The previous prime is 1240004440063. The next prime is 1240004440133. The reversal of 1240004440109 is 9010444000421.

It is a cyclic number.

It is not a de Polignac number, because 1240004440109 - 2²⁸ = 1239736004653 is a prime.

It is a super-2 number, since 2×1240004440109² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240004440009) 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, 25530722 + ... + 25579244.

It is an arithmetic number, because the mean of its divisors is an integer number (78339571800).

Almost surely, 2^{1240004440109} is an apocalyptic number.

It is an amenable number.

1240004440109 is a deficient number, since it is larger than the sum of its proper divisors (13428708691).

1240004440109 is a wasteful number, since it uses less digits than its factorization.

1240004440109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49460.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1240004440109 in words is "one trillion, two hundred forty billion, four million, four hundred forty thousand, one hundred nine".