8919660442 has 96 divisors (see below), whose sum is σ = 17950786560. Its totient is φ = 3246566400.

The previous prime is 8919660433. The next prime is 8919660479. The reversal of 8919660442 is 2440669198.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519978 + ... + 1525834.

It is an arithmetic number, because the mean of its divisors is an integer number (186987360).

Almost surely, 2^8919660442 is an apocalyptic number.

8919660442 is an abundant number, since it is smaller than the sum of its proper divisors (9031126118).

8919660442 is a wasteful number, since it uses less digits than its factorization.

8919660442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 8919660442 is about 94443.9539727134. The cubic root of 8919660442 is about 2073.8759435324.

The spelling of 8919660442 in words is "eight billion, nine hundred nineteen million, six hundred sixty thousand, four hundred forty-two".