42444051 has 8 divisors (see below), whose sum is σ = 60945360. Its totient is φ = 26119392.

The previous prime is 42444041. The next prime is 42444071. The reversal of 42444051 is 15044424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42444051 - 2⁶ = 42443987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42444001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544116 + ... + 544193.

It is an arithmetic number, because the mean of its divisors is an integer number (7618170).

Almost surely, 2^42444051 is an apocalyptic number.

42444051 is a deficient number, since it is larger than the sum of its proper divisors (18501309).

42444051 is a wasteful number, since it uses less digits than its factorization.

42444051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088325.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 42444051 is about 6514.9098996072. The cubic root of 42444051 is about 348.8233986903.

Adding to 42444051 its reverse (15044424), we get a palindrome (57488475).

The spelling of 42444051 in words is "forty-two million, four hundred forty-four thousand, fifty-one".