744402040386 has 16 divisors (see below), whose sum is σ = 1489199979168. Its totient is φ = 248068030400.

The previous prime is 744402040363. The next prime is 744402040391. The reversal of 744402040386 is 683040204447.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 16471320 + ... + 16516451.

It is an arithmetic number, because the mean of its divisors is an integer number (93074998698).

Almost surely, 2^744402040386 is an apocalyptic number.

744402040386 is an abundant number, since it is smaller than the sum of its proper divisors (744797938782).

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

744402040386 is a wasteful number, since it uses less digits than its factorization.

744402040386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32991537.

The product of its (nonzero) digits is 516096, while the sum is 42.

The spelling of 744402040386 in words is "seven hundred forty-four billion, four hundred two million, forty thousand, three hundred eighty-six".