44142021441 has 64 divisors (see below), whose sum is σ = 75974745600. Its totient is φ = 24809545728.

The previous prime is 44142021439. The next prime is 44142021461. The reversal of 44142021441 is 14412024144.

It is a happy number.

44142021441 is a `hidden beast` number, since 4 + 4 + 14 + 202 + 1 + 441 = 666.

It is not a de Polignac number, because 44142021441 - 2¹ = 44142021439 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (44142021421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3239655 + ... + 3253251.

It is an arithmetic number, because the mean of its divisors is an integer number (1187105400).

Almost surely, 2^44142021441 is an apocalyptic number.

It is an amenable number.

44142021441 is a deficient number, since it is larger than the sum of its proper divisors (31832724159).

44142021441 is a wasteful number, since it uses less digits than its factorization.

44142021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13895 (or 13889 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 44142021441 its reverse (14412024144), we get a palindrome (58554045585).

The spelling of 44142021441 in words is "forty-four billion, one hundred forty-two million, twenty-one thousand, four hundred forty-one".