744366540631 has 8 divisors (see below), whose sum is σ = 895478545280. Its totient is φ = 604448017848.

The previous prime is 744366540539. The next prime is 744366540667. The reversal of 744366540631 is 136045663447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744366540631 - 2⁷ = 744366540503 is a prime.

It is a super-2 number, since 2×744366540631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744366540131) 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, 2798370321 + ... + 2798370586.

It is an arithmetic number, because the mean of its divisors is an integer number (111934818160).

Almost surely, 2^744366540631 is an apocalyptic number.

744366540631 is a deficient number, since it is larger than the sum of its proper divisors (151112004649).

744366540631 is a wasteful number, since it uses less digits than its factorization.

744366540631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596740933.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 744366540631 in words is "seven hundred forty-four billion, three hundred sixty-six million, five hundred forty thousand, six hundred thirty-one".