744394040136960 has 144 divisors (see below), whose sum is σ = 2454099061747200. Its totient is φ = 192101687746560.

The previous prime is 744394040136947. The next prime is 744394040136977. The reversal of 744394040136960 is 69631040493447.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 744394040136894 and 744394040136903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3126536035 + ... + 3126774114.

Almost surely, 2^{744394040136960} is an apocalyptic number.

It is an amenable number.

744394040136960 is an abundant number, since it is smaller than the sum of its proper divisors (1709705021610240).

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

744394040136960 is a wasteful number, since it uses less digits than its factorization.

744394040136960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253310204 (or 6253310190 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 744394040136960 in words is "seven hundred forty-four trillion, three hundred ninety-four billion, forty million, one hundred thirty-six thousand, nine hundred sixty".