8342450090 has 48 divisors (see below), whose sum is σ = 16345262808. Its totient is φ = 3064209408.

The previous prime is 8342450089. The next prime is 8342450093. The reversal of 8342450090 is 900542438.

It can be written as a sum of positive squares in 12 ways, for example, as 1882952449 + 6459497641 = 43393^2 + 80371^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8342450090.

It is not an unprimeable number, because it can be changed into a prime (8342450093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313382 + ... + 338958.

Almost surely, 2^8342450090 is an apocalyptic number.

8342450090 is a deficient number, since it is larger than the sum of its proper divisors (8002812718).

8342450090 is a wasteful number, since it uses less digits than its factorization.

8342450090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25803 (or 25790 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8342450090 is about 91337.0138005398. The cubic root of 8342450090 is about 2028.1397284834.

The spelling of 8342450090 in words is "eight billion, three hundred forty-two million, four hundred fifty thousand, ninety".