8442104742 has 32 divisors (see below), whose sum is σ = 18766172160. Its totient is φ = 2813144040.

The previous prime is 8442104677. The next prime is 8442104747. The reversal of 8442104742 is 2474012448.

It is a junction number, because it is equal to n+sod(n) for n = 8442104697 and 8442104706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442104747) 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, 160063 + ... + 206165.

It is an arithmetic number, because the mean of its divisors is an integer number (586442880).

Almost surely, 2^8442104742 is an apocalyptic number.

8442104742 is an abundant number, since it is smaller than the sum of its proper divisors (10324067418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8442104742 is a wasteful number, since it uses less digits than its factorization.

8442104742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49505 (or 49499 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 8442104742 is about 91880.9269761685. The cubic root of 8442104742 is about 2036.1834915482.

The spelling of 8442104742 in words is "eight billion, four hundred forty-two million, one hundred four thousand, seven hundred forty-two".