42452398 has 4 divisors (see below), whose sum is σ = 63678600. Its totient is φ = 21226198.

The previous prime is 42452393. The next prime is 42452413. The reversal of 42452398 is 89325424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42452393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10613098 + ... + 10613101.

It is an arithmetic number, because the mean of its divisors is an integer number (15919650).

Almost surely, 2^42452398 is an apocalyptic number.

42452398 is a deficient number, since it is larger than the sum of its proper divisors (21226202).

42452398 is a wasteful number, since it uses less digits than its factorization.

42452398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21226201.

The product of its digits is 69120, while the sum is 37.

The square root of 42452398 is about 6515.5504755930. The cubic root of 42452398 is about 348.8462635991.

The spelling of 42452398 in words is "forty-two million, four hundred fifty-two thousand, three hundred ninety-eight".