44134013421 has 24 divisors (see below), whose sum is σ = 63986547456. Its totient is φ = 29313198240.

The previous prime is 44134013419. The next prime is 44134013449. The reversal of 44134013421 is 12431043144.

It is not a de Polignac number, because 44134013421 - 2¹ = 44134013419 is a prime.

It is a super-2 number, since 2×44134013421² (a number of 22 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 (44134013621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9886636 + ... + 9891098.

It is an arithmetic number, because the mean of its divisors is an integer number (2666106144).

Almost surely, 2^44134013421 is an apocalyptic number.

It is an amenable number.

44134013421 is a deficient number, since it is larger than the sum of its proper divisors (19852534035).

44134013421 is a wasteful number, since it uses less digits than its factorization.

44134013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 44134013421 its reverse (12431043144), we get a palindrome (56565056565).

The spelling of 44134013421 in words is "forty-four billion, one hundred thirty-four million, thirteen thousand, four hundred twenty-one".