1240445104045 has 96 divisors (see below), whose sum is σ = 1853371653120. Its totient is φ = 792911508480.

The previous prime is 1240445104007. The next prime is 1240445104057. The reversal of 1240445104045 is 5404015440421.

It is a de Polignac number, because none of the positive numbers 2^k-1240445104045 is a prime.

It is a super-2 number, since 2×1240445104045² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1240445104045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97566609 + ... + 97579321.

It is an arithmetic number, because the mean of its divisors is an integer number (19305954720).

Almost surely, 2^{1240445104045} is an apocalyptic number.

It is an amenable number.

1240445104045 is a deficient number, since it is larger than the sum of its proper divisors (612926549075).

1240445104045 is a wasteful number, since it uses less digits than its factorization.

1240445104045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235 (or 13228 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 1240445104045 in words is "one trillion, two hundred forty billion, four hundred forty-five million, one hundred four thousand, forty-five".