3993440458 has 16 divisors (see below), whose sum is σ = 7143546240. Its totient is φ = 1637062416.

The previous prime is 3993440419. The next prime is 3993440489. The reversal of 3993440458 is 8540443993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6200673 + ... + 6201316.

It is an arithmetic number, because the mean of its divisors is an integer number (446471640).

Almost surely, 2^3993440458 is an apocalyptic number.

3993440458 is a deficient number, since it is larger than the sum of its proper divisors (3150105782).

3993440458 is a wasteful number, since it uses less digits than its factorization.

3993440458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402021.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 3993440458 is about 63193.6741929127. The cubic root of 3993440458 is about 1586.5328585599.

The spelling of 3993440458 in words is "three billion, nine hundred ninety-three million, four hundred forty thousand, four hundred fifty-eight".