44087075523813 has 16 divisors (see below), whose sum is σ = 67185723286656. Its totient is φ = 25190582937600.

The previous prime is 44087075523787. The next prime is 44087075523817. The reversal of 44087075523813 is 31832557078044.

It is a happy number.

It is not a de Polignac number, because 44087075523813 - 2¹² = 44087075519717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44087075523817) 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, 84385356 + ... + 84906197.

It is an arithmetic number, because the mean of its divisors is an integer number (4199107705416).

Almost surely, 2^{44087075523813} is an apocalyptic number.

It is an amenable number.

44087075523813 is a deficient number, since it is larger than the sum of its proper divisors (23098647762843).

44087075523813 is a wasteful number, since it uses less digits than its factorization.

44087075523813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169303964.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 44087075523813 in words is "forty-four trillion, eighty-seven billion, seventy-five million, five hundred twenty-three thousand, eight hundred thirteen".