42299328 has 56 divisors (see below), whose sum is σ = 112735360. Its totient is φ = 13996800.

The previous prime is 42299321. The next prime is 42299329. The reversal of 42299328 is 82399224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28263 + ... + 29721.

Almost surely, 2^42299328 is an apocalyptic number.

42299328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42299328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56367680).

42299328 is an abundant number, since it is smaller than the sum of its proper divisors (70436032).

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

42299328 is a wasteful number, since it uses less digits than its factorization.

42299328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1615 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 42299328 is about 6503.7933546508. The cubic root of 42299328 is about 348.4264820113.

The spelling of 42299328 in words is "forty-two million, two hundred ninety-nine thousand, three hundred twenty-eight".