38864018461808 has 20 divisors (see below), whose sum is σ = 75749928204720. Its totient is φ = 19315649892864.

The previous prime is 38864018461789. The next prime is 38864018461837. The reversal of 38864018461808 is 80816481046883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7272455873 + ... + 7272461216.

It is an arithmetic number, because the mean of its divisors is an integer number (3787496410236).

Almost surely, 2^{38864018461808} is an apocalyptic number.

It is an amenable number.

38864018461808 is a deficient number, since it is larger than the sum of its proper divisors (36885909742912).

38864018461808 is a wasteful number, since it uses less digits than its factorization.

38864018461808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544917264 (or 14544917258 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 65.

The spelling of 38864018461808 in words is "thirty-eight trillion, eight hundred sixty-four billion, eighteen million, four hundred sixty-one thousand, eight hundred eight".