38753623844 has 24 divisors (see below), whose sum is σ = 77331893688. Its totient is φ = 16834152960.

The previous prime is 38753623801. The next prime is 38753623859. The reversal of 38753623844 is 44832635783.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12845502244 + 25908121600 = 113338^2 + 160960^2 .

It is a super-2 number, since 2×38753623844² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 21918587 + ... + 21920354.

It is an arithmetic number, because the mean of its divisors is an integer number (3222162237).

Almost surely, 2^38753623844 is an apocalyptic number.

38753623844 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38753623844 is a deficient number, since it is larger than the sum of its proper divisors (38578269844).

38753623844 is a wasteful number, since it uses less digits than its factorization.

38753623844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43838975 (or 43838973 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 38753623844 in words is "thirty-eight billion, seven hundred fifty-three million, six hundred twenty-three thousand, eight hundred forty-four".