42099498 has 48 divisors (see below), whose sum is σ = 106479360. Its totient is φ = 11770848.

The previous prime is 42099469. The next prime is 42099523. The reversal of 42099498 is 89499024.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2368 + ... + 9476.

It is an arithmetic number, because the mean of its divisors is an integer number (2218320).

Almost surely, 2^42099498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42099498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53239680).

42099498 is an abundant number, since it is smaller than the sum of its proper divisors (64379862).

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

42099498 is a wasteful number, since it uses less digits than its factorization.

42099498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171 (or 7168 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 42099498 is about 6488.4125947723. The cubic root of 42099498 is about 347.8769382551.

The spelling of 42099498 in words is "forty-two million, ninety-nine thousand, four hundred ninety-eight".