8417409942 has 16 divisors (see below), whose sum is σ = 17289815472. Its totient is φ = 2729970720.

The previous prime is 8417409941. The next prime is 8417409989. The reversal of 8417409942 is 2499047148.

It is a junction number, because it is equal to n+sod(n) for n = 8417409891 and 8417409900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8417409941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18957909 + ... + 18958352.

It is an arithmetic number, because the mean of its divisors is an integer number (1080613467).

Almost surely, 2^8417409942 is an apocalyptic number.

8417409942 is an abundant number, since it is smaller than the sum of its proper divisors (8872405530).

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

8417409942 is a wasteful number, since it uses less digits than its factorization.

8417409942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37916303.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 8417409942 is about 91746.4437566928. The cubic root of 8417409942 is about 2034.1961414427.

The spelling of 8417409942 in words is "eight billion, four hundred seventeen million, four hundred nine thousand, nine hundred forty-two".