38678403542441 has 16 divisors (see below), whose sum is σ = 42359165634576. Its totient is φ = 35101552352256.

The previous prime is 38678403542413. The next prime is 38678403542453. The reversal of 38678403542441 is 14424530487683.

It can be written as a sum of positive squares in 8 ways, for example, as 20359181773225 + 18319221769216 = 4512115^2 + 4280096^2 .

It is not a de Polignac number, because 38678403542441 - 2⁶ = 38678403542377 is a prime.

It is a super-4 number, since 4×38678403542441⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38678403542641) 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, 64810010 + ... + 65404083.

It is an arithmetic number, because the mean of its divisors is an integer number (2647447852161).

Almost surely, 2^{38678403542441} is an apocalyptic number.

It is an amenable number.

38678403542441 is a deficient number, since it is larger than the sum of its proper divisors (3680762092135).

38678403542441 is a wasteful number, since it uses less digits than its factorization.

38678403542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130214492.

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 38678403542441 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred forty-two thousand, four hundred forty-one".