42198516 has 24 divisors (see below), whose sum is σ = 109403840. Its totient is φ = 14066136.

The previous prime is 42198503. The next prime is 42198529. The reversal of 42198516 is 61589124.

It is an interprime number because it is at equal distance from previous prime (42198503) and next prime (42198529).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 195256 + ... + 195471.

Almost surely, 2^42198516 is an apocalyptic number.

It is an amenable number.

42198516 is an abundant number, since it is smaller than the sum of its proper divisors (67205324).

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

42198516 is a wasteful number, since it uses less digits than its factorization.

42198516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390740 (or 390732 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42198516 is about 6496.0384851077. The cubic root of 42198516 is about 348.1494601759.

The spelling of 42198516 in words is "forty-two million, one hundred ninety-eight thousand, five hundred sixteen".