6168442490 has 32 divisors (see below), whose sum is σ = 12707570304. Its totient is φ = 2111860800.

The previous prime is 6168442487. The next prime is 6168442513. The reversal of 6168442490 is 942448616.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13784 + ... + 111923.

It is an arithmetic number, because the mean of its divisors is an integer number (397111572).

Almost surely, 2^6168442490 is an apocalyptic number.

6168442490 is an abundant number, since it is smaller than the sum of its proper divisors (6539127814).

6168442490 is a wasteful number, since it uses less digits than its factorization.

6168442490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126422.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 6168442490 is about 78539.4327073986. The cubic root of 6168442490 is about 1833.9683648787.

The spelling of 6168442490 in words is "six billion, one hundred sixty-eight million, four hundred forty-two thousand, four hundred ninety".