8415485442 has 80 divisors (see below), whose sum is σ = 23208558912. Its totient is φ = 2219464800.

The previous prime is 8415485423. The next prime is 8415485447. The reversal of 8415485442 is 2445845148.

8415485442 is a `hidden beast` number, since 84 + 1 + 54 + 85 + 442 = 666.

It is not an unprimeable number, because it can be changed into a prime (8415485447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 270684 + ... + 300167.

Almost surely, 2^8415485442 is an apocalyptic number.

8415485442 is an abundant number, since it is smaller than the sum of its proper divisors (14793073470).

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

8415485442 is a wasteful number, since it uses less digits than its factorization.

8415485442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570885 (or 570876 counting only the distinct ones).

The product of its digits is 819200, while the sum is 45.

The square root of 8415485442 is about 91735.9550121979. The cubic root of 8415485442 is about 2034.0411013179.

The spelling of 8415485442 in words is "eight billion, four hundred fifteen million, four hundred eighty-five thousand, four hundred forty-two".