744536278368 has 144 divisors (see below), whose sum is σ = 2125142562816. Its totient is φ = 247257722880.

The previous prime is 744536278357. The next prime is 744536278379. The reversal of 744536278368 is 863872635447.

744536278368 is a `hidden beast` number, since 7 + 44 + 536 + 27 + 8 + 36 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (744536278357) and next prime (744536278379).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207795105 + ... + 207798687.

It is an arithmetic number, because the mean of its divisors is an integer number (14757934464).

Almost surely, 2^744536278368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744536278368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062571281408).

744536278368 is an abundant number, since it is smaller than the sum of its proper divisors (1380606284448).

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

744536278368 is a wasteful number, since it uses less digits than its factorization.

744536278368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077 (or 6066 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 63.

The spelling of 744536278368 in words is "seven hundred forty-four billion, five hundred thirty-six million, two hundred seventy-eight thousand, three hundred sixty-eight".