744440404442 has 32 divisors (see below), whose sum is σ = 1422371767680. Its totient is φ = 284474350080.

The previous prime is 744440404441. The next prime is 744440404469. The reversal of 744440404442 is 244404044447.

744440404442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 744440404442.

It is not an unprimeable number, because it can be changed into a prime (744440404441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82308659 + ... + 82317702.

It is an arithmetic number, because the mean of its divisors is an integer number (44449117740).

Almost surely, 2^744440404442 is an apocalyptic number.

744440404442 is a deficient number, since it is larger than the sum of its proper divisors (677931363238).

744440404442 is a wasteful number, since it uses less digits than its factorization.

744440404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164626406.

The product of its (nonzero) digits is 917504, while the sum is 41.

Adding to 744440404442 its reverse (244404044447), we get a palindrome (988844448889).

The spelling of 744440404442 in words is "seven hundred forty-four billion, four hundred forty million, four hundred four thousand, four hundred forty-two".