6456198042 has 32 divisors (see below), whose sum is σ = 16396694400. Its totient is φ = 1844627904.

The previous prime is 6456198041. The next prime is 6456198079. The reversal of 6456198042 is 2408916546.

6456198042 is a `hidden beast` number, since 6 + 4 + 561 + 9 + 80 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (6456198041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8539567 + ... + 8540322.

It is an arithmetic number, because the mean of its divisors is an integer number (512396700).

Almost surely, 2^6456198042 is an apocalyptic number.

6456198042 is an abundant number, since it is smaller than the sum of its proper divisors (9940496358).

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

6456198042 is a wasteful number, since it uses less digits than its factorization.

6456198042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17079907 (or 17079901 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6456198042 is about 80350.4700795210. The cubic root of 6456198042 is about 1862.0540419721.

The spelling of 6456198042 in words is "six billion, four hundred fifty-six million, one hundred ninety-eight thousand, forty-two".