744265515442 has 4 divisors (see below), whose sum is σ = 1116398273166. Its totient is φ = 372132757720.

The previous prime is 744265515431. The next prime is 744265515551. The reversal of 744265515442 is 244515562447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 618360476881 + 125905038561 = 786359^2 + 354831^2 .

It is a super-2 number, since 2×744265515442² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186066378859 + ... + 186066378862.

Almost surely, 2^744265515442 is an apocalyptic number.

744265515442 is a deficient number, since it is larger than the sum of its proper divisors (372132757724).

744265515442 is a wasteful number, since it uses less digits than its factorization.

744265515442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372132757723.

The product of its digits is 5376000, while the sum is 49.

The spelling of 744265515442 in words is "seven hundred forty-four billion, two hundred sixty-five million, five hundred fifteen thousand, four hundred forty-two".