2493942318 has 192 divisors, whose sum is σ = 6861888000. Its totient is φ = 667554048.

The previous prime is 2493942293. The next prime is 2493942359. The reversal of 2493942318 is 8132493942.

2493942318 is a `hidden beast` number, since 24 + 9 + 394 + 231 + 8 = 666.

It is a super-2 number, since 2×2493942318² = 12439496571022426248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5680743 + ... + 5681181.

It is an arithmetic number, because the mean of its divisors is an integer number (35739000).

Almost surely, 2^2493942318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2493942318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3430944000).

2493942318 is an abundant number, since it is smaller than the sum of its proper divisors (4367945682).

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

2493942318 is a wasteful number, since it uses less digits than its factorization.

2493942318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 583 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 2493942318 is about 49939.3864399634. The cubic root of 2493942318 is about 1356.1117164595. Note that the first 3 decimals are identical.

The spelling of 2493942318 in words is "two billion, four hundred ninety-three million, nine hundred forty-two thousand, three hundred eighteen".