1240445011413 has 32 divisors (see below), whose sum is σ = 1712250239616. Its totient is φ = 798168480768.

The previous prime is 1240445011409. The next prime is 1240445011427. The reversal of 1240445011413 is 3141105440421.

It is not a de Polignac number, because 1240445011413 - 2² = 1240445011409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240445011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21763170 + ... + 21820092.

It is an arithmetic number, because the mean of its divisors is an integer number (53507819988).

Almost surely, 2^{1240445011413} is an apocalyptic number.

It is an amenable number.

1240445011413 is a deficient number, since it is larger than the sum of its proper divisors (471805228203).

1240445011413 is a wasteful number, since it uses less digits than its factorization.

1240445011413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58533.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 1240445011413 in words is "one trillion, two hundred forty billion, four hundred forty-five million, eleven thousand, four hundred thirteen".