42498320 has 20 divisors (see below), whose sum is σ = 98808780. Its totient is φ = 16999296.

The previous prime is 42498271. The next prime is 42498329. The reversal of 42498320 is 2389424.

It can be written as a sum of positive squares in 2 ways, for example, as 18800896 + 23697424 = 4336^2 + 4868^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×42498320² = 3612214405644800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42498329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265535 + ... + 265694.

It is an arithmetic number, because the mean of its divisors is an integer number (4940439).

Almost surely, 2^42498320 is an apocalyptic number.

42498320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42498320 is an abundant number, since it is smaller than the sum of its proper divisors (56310460).

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

42498320 is a wasteful number, since it uses less digits than its factorization.

42498320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531242 (or 531236 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 42498320 is about 6519.0735538112. The cubic root of 42498320 is about 348.9720040049.

The spelling of 42498320 in words is "forty-two million, four hundred ninety-eight thousand, three hundred twenty".