42198456 has 16 divisors (see below), whose sum is σ = 105496200. Its totient is φ = 14066144.

The previous prime is 42198421. The next prime is 42198461. The reversal of 42198456 is 65489124.

42198456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879111 + ... + 879158.

Almost surely, 2^42198456 is an apocalyptic number.

It is an amenable number.

42198456 is an abundant number, since it is smaller than the sum of its proper divisors (63297744).

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

42198456 is a wasteful number, since it uses less digits than its factorization.

42198456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758278 (or 1758274 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 42198456 is about 6496.0338669068. The cubic root of 42198456 is about 348.1492951703.

The spelling of 42198456 in words is "forty-two million, one hundred ninety-eight thousand, four hundred fifty-six".