4138725242678 has 32 divisors (see below), whose sum is σ = 6795636613920. Its totient is φ = 1878755016960.

The previous prime is 4138725242623. The next prime is 4138725242681. The reversal of 4138725242678 is 8762425278314.

It is a super-2 number, since 2×4138725242678² (a number of 26 digits) contains 22 as substring.

It is a congruent 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, 30477026 + ... + 30612522.

It is an arithmetic number, because the mean of its divisors is an integer number (212363644185).

Almost surely, 2^{4138725242678} is an apocalyptic number.

4138725242678 is a deficient number, since it is larger than the sum of its proper divisors (2656911371242).

4138725242678 is a wasteful number, since it uses less digits than its factorization.

4138725242678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154832.

The product of its digits is 36126720, while the sum is 59.

The spelling of 4138725242678 in words is "four trillion, one hundred thirty-eight billion, seven hundred twenty-five million, two hundred forty-two thousand, six hundred seventy-eight".