8453432394 has 48 divisors (see below), whose sum is σ = 19999665504. Its totient is φ = 2559232800.

The previous prime is 8453432371. The next prime is 8453432419. The reversal of 8453432394 is 4932343548.

8453432394 is a `hidden beast` number, since 8 + 4 + 534 + 3 + 23 + 94 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196452 + ... + 235584.

It is an arithmetic number, because the mean of its divisors is an integer number (416659698).

Almost surely, 2^8453432394 is an apocalyptic number.

8453432394 is an abundant number, since it is smaller than the sum of its proper divisors (11546233110).

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

8453432394 is a wasteful number, since it uses less digits than its factorization.

8453432394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40243 (or 40240 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 8453432394 is about 91942.5494208204. The cubic root of 8453432394 is about 2037.0938044015.

The spelling of 8453432394 in words is "eight billion, four hundred fifty-three million, four hundred thirty-two thousand, three hundred ninety-four".