444142031401 has 4 divisors (see below), whose sum is σ = 444152841552. Its totient is φ = 444131221252.

The previous prime is 444142031363. The next prime is 444142031483. The reversal of 444142031401 is 104130241444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444142031401 - 2¹⁵ = 444141998633 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 444142031401.

It is not an unprimeable number, because it can be changed into a prime (444142031101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343211 + ... + 5425696.

It is an arithmetic number, because the mean of its divisors is an integer number (111038210388).

Almost surely, 2^444142031401 is an apocalyptic number.

It is an amenable number.

444142031401 is a deficient number, since it is larger than the sum of its proper divisors (10810151).

444142031401 is a wasteful number, since it uses less digits than its factorization.

444142031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810150.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 444142031401 its reverse (104130241444), we get a palindrome (548272272845).

The spelling of 444142031401 in words is "four hundred forty-four billion, one hundred forty-two million, thirty-one thousand, four hundred one".