44643055242 has 16 divisors (see below), whose sum is σ = 92364942240. Its totient is φ = 14367879792.

The previous prime is 44643055217. The next prime is 44643055243. The reversal of 44643055242 is 24255034644.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44643055242.

It is not an unprimeable number, because it can be changed into a prime (44643055243) 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, 128284468 + ... + 128284815.

It is an arithmetic number, because the mean of its divisors is an integer number (5772808890).

Almost surely, 2^44643055242 is an apocalyptic number.

44643055242 is an abundant number, since it is smaller than the sum of its proper divisors (47721886998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44643055242 is a wasteful number, since it uses less digits than its factorization.

44643055242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256569317.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 44643055242 its reverse (24255034644), we get a palindrome (68898089886).

The spelling of 44643055242 in words is "forty-four billion, six hundred forty-three million, fifty-five thousand, two hundred forty-two".