44431010044421 has 96 divisors (see below), whose sum is σ = 62075866890240. Its totient is φ = 31246611580800.

The previous prime is 44431010044409. The next prime is 44431010044427. The reversal of 44431010044421 is 12444001013444.

It is not a de Polignac number, because 44431010044421 - 2¹⁴ = 44431010028037 is a prime.

It is a super-2 number, since 2×44431010044421² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44431010044427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 326296970 + ... + 326433108.

It is an arithmetic number, because the mean of its divisors is an integer number (646623613440).

Almost surely, 2^{44431010044421} is an apocalyptic number.

It is an amenable number.

44431010044421 is a deficient number, since it is larger than the sum of its proper divisors (17644856845819).

44431010044421 is a wasteful number, since it uses less digits than its factorization.

44431010044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137215 (or 137208 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 44431010044421 its reverse (12444001013444), we get a palindrome (56875011057865).

The spelling of 44431010044421 in words is "forty-four trillion, four hundred thirty-one billion, ten million, forty-four thousand, four hundred twenty-one".