4494194768 has 20 divisors (see below), whose sum is σ = 9951431520. Its totient is φ = 1926083424.

The previous prime is 4494194753. The next prime is 4494194791. The reversal of 4494194768 is 8674914944.

It is a happy number.

It is a super-2 number, since 2×4494194768² = 40395573225437147648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20063258 + ... + 20063481.

It is an arithmetic number, because the mean of its divisors is an integer number (497571576).

Almost surely, 2^4494194768 is an apocalyptic number.

It is an amenable number.

4494194768 is an abundant number, since it is smaller than the sum of its proper divisors (5457236752).

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

4494194768 is a wasteful number, since it uses less digits than its factorization.

4494194768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40126754 (or 40126748 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 56.

The square root of 4494194768 is about 67038.7557163765. The cubic root of 4494194768 is about 1650.2533762101.

The spelling of 4494194768 in words is "four billion, four hundred ninety-four million, one hundred ninety-four thousand, seven hundred sixty-eight".