42044441401 has 32 divisors (see below), whose sum is σ = 45132595200. Its totient is φ = 39114653760.

The previous prime is 42044441377. The next prime is 42044441423. The reversal of 42044441401 is 10414444024.

It is a cyclic number.

It is not a de Polignac number, because 42044441401 - 2²¹ = 42042344249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42044441401.

It is not an unprimeable number, because it can be changed into a prime (42044441801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11333935 + ... + 11337643.

It is an arithmetic number, because the mean of its divisors is an integer number (1410393600).

Almost surely, 2^42044441401 is an apocalyptic number.

It is an amenable number.

42044441401 is a deficient number, since it is larger than the sum of its proper divisors (3088153799).

42044441401 is a wasteful number, since it uses less digits than its factorization.

42044441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 42044441401 its reverse (10414444024), we get a palindrome (52458885425).

The spelling of 42044441401 in words is "forty-two billion, forty-four million, four hundred forty-one thousand, four hundred one".