38464184440857 has 16 divisors (see below), whose sum is σ = 58612177722752. Its totient is φ = 21979501286400.

The previous prime is 38464184440841. The next prime is 38464184440999. The reversal of 38464184440857 is 75804448146483.

It is a happy number.

It is not a de Polignac number, because 38464184440857 - 2⁴ = 38464184440841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38464184440837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24689913 + ... + 26201529.

It is an arithmetic number, because the mean of its divisors is an integer number (3663261107672).

Almost surely, 2^{38464184440857} is an apocalyptic number.

It is an amenable number.

38464184440857 is a deficient number, since it is larger than the sum of its proper divisors (20147993281895).

38464184440857 is a wasteful number, since it uses less digits than its factorization.

38464184440857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723328.

The product of its (nonzero) digits is 330301440, while the sum is 66.

The spelling of 38464184440857 in words is "thirty-eight trillion, four hundred sixty-four billion, one hundred eighty-four million, four hundred forty thousand, eight hundred fifty-seven".