10044122391 has 12 divisors (see below), whose sum is σ = 15045517032. Its totient is φ = 6696081432.

The previous prime is 10044122329. The next prime is 10044122467. The reversal of 10044122391 is 19322144001.

It is a happy number.

10044122391 is a `hidden beast` number, since 10 + 0 + 4 + 412 + 239 + 1 = 666.

10044122391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10044122391 - 2¹⁵ = 10044089623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10044132391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20666676 + ... + 20667161.

It is an arithmetic number, because the mean of its divisors is an integer number (1253793086).

Almost surely, 2^10044122391 is an apocalyptic number.

10044122391 is a deficient number, since it is larger than the sum of its proper divisors (5001394641).

10044122391 is an frugal number, since it uses more digits than its factorization.

10044122391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41333852 (or 41333840 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 10044122391 its reverse (19322144001), we get a palindrome (29366266392).

The spelling of 10044122391 in words is "ten billion, forty-four million, one hundred twenty-two thousand, three hundred ninety-one".