43444444401 has 48 divisors (see below), whose sum is σ = 71207420544. Its totient is φ = 25369293312.

The previous prime is 43444444391. The next prime is 43444444507. The reversal of 43444444401 is 10444444434.

It is not a de Polignac number, because 43444444401 - 2²² = 43440250097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43444444801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36631 + ... + 297036.

It is an arithmetic number, because the mean of its divisors is an integer number (1483487928).

Almost surely, 2^43444444401 is an apocalyptic number.

It is an amenable number.

43444444401 is a deficient number, since it is larger than the sum of its proper divisors (27762976143).

43444444401 is a wasteful number, since it uses less digits than its factorization.

43444444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333750 (or 333747 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 43444444401 its reverse (10444444434), we get a palindrome (53888888835).

It can be divided in two parts, 43 and 444444401, that added together give a palindrome (444444444).

The spelling of 43444444401 in words is "forty-three billion, four hundred forty-four million, four hundred forty-four thousand, four hundred one".