8544432494 has 16 divisors (see below), whose sum is σ = 13833720432. Its totient is φ = 3934676928.

The previous prime is 8544432493. The next prime is 8544432521. The reversal of 8544432494 is 4942344458.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8544432493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359399 + ... + 382434.

It is an arithmetic number, because the mean of its divisors is an integer number (864607527).

Almost surely, 2^8544432494 is an apocalyptic number.

8544432494 is a deficient number, since it is larger than the sum of its proper divisors (5289287938).

8544432494 is a wasteful number, since it uses less digits than its factorization.

8544432494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742291.

The product of its digits is 2211840, while the sum is 47.

The square root of 8544432494 is about 92436.0995174504. The cubic root of 8544432494 is about 2044.3774141502.

The spelling of 8544432494 in words is "eight billion, five hundred forty-four million, four hundred thirty-two thousand, four hundred ninety-four".