38401353227865 has 16 divisors (see below), whose sum is σ = 61754054332608. Its totient is φ = 20376758665536.

The previous prime is 38401353227849. The next prime is 38401353227891. The reversal of 38401353227865 is 56872235310483.

It is not a de Polignac number, because 38401353227865 - 2⁴ = 38401353227849 is a prime.

It is a super-2 number, since 2×38401353227865² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6497687947 + ... + 6497693856.

It is an arithmetic number, because the mean of its divisors is an integer number (3859628395788).

Almost surely, 2^{38401353227865} is an apocalyptic number.

It is an amenable number.

38401353227865 is a deficient number, since it is larger than the sum of its proper divisors (23352701104743).

38401353227865 is a wasteful number, since it uses less digits than its factorization.

38401353227865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995382008.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 38401353227865 in words is "thirty-eight trillion, four hundred one billion, three hundred fifty-three million, two hundred twenty-seven thousand, eight hundred sixty-five".