38404254654865 has 16 divisors (see below), whose sum is σ = 50276756534400. Its totient is φ = 27929202635520.

The previous prime is 38404254654863. The next prime is 38404254654889. The reversal of 38404254654865 is 56845645240483.

It is not a de Polignac number, because 38404254654865 - 2¹ = 38404254654863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38404254654797 and 38404254654806.

It is not an unprimeable number, because it can be changed into a prime (38404254654863) 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, 13222440 + ... + 15863209.

It is an arithmetic number, because the mean of its divisors is an integer number (3142297283400).

Almost surely, 2^{38404254654865} is an apocalyptic number.

It is an amenable number.

38404254654865 is a deficient number, since it is larger than the sum of its proper divisors (11872501879535).

38404254654865 is a wasteful number, since it uses less digits than its factorization.

38404254654865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29109672.

The product of its (nonzero) digits is 442368000, while the sum is 64.

The spelling of 38404254654865 in words is "thirty-eight trillion, four hundred four billion, two hundred fifty-four million, six hundred fifty-four thousand, eight hundred sixty-five".