38401582340881 has 8 divisors (see below), whose sum is σ = 39221550998784. Its totient is φ = 37581735087840.

The previous prime is 38401582340873. The next prime is 38401582340909. The reversal of 38401582340881 is 18804328510483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38401582340881 - 2³ = 38401582340873 is a prime.

It is a super-2 number, since 2×38401582340881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38401582340861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29711700 + ... + 30977221.

It is an arithmetic number, because the mean of its divisors is an integer number (4902693874848).

Almost surely, 2^{38401582340881} is an apocalyptic number.

It is an amenable number.

38401582340881 is a deficient number, since it is larger than the sum of its proper divisors (819968657903).

38401582340881 is a wasteful number, since it uses less digits than its factorization.

38401582340881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60702431.

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 38401582340881 in words is "thirty-eight trillion, four hundred one billion, five hundred eighty-two million, three hundred forty thousand, eight hundred eighty-one".