42526398 has 16 divisors (see below), whose sum is σ = 87031296. Its totient is φ = 13845720.

The previous prime is 42526397. The next prime is 42526403. The reversal of 42526398 is 89362524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42526397) 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, 82158 + ... + 82673.

It is an arithmetic number, because the mean of its divisors is an integer number (5439456).

Almost surely, 2^42526398 is an apocalyptic number.

42526398 is an abundant number, since it is smaller than the sum of its proper divisors (44504898).

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

42526398 is a wasteful number, since it uses less digits than its factorization.

42526398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164879.

The product of its digits is 103680, while the sum is 39.

The square root of 42526398 is about 6521.2267250878. The cubic root of 42526398 is about 349.0488406017.

It can be divided in two parts, 42526 and 398, that added together give a palindrome (42924).

The spelling of 42526398 in words is "forty-two million, five hundred twenty-six thousand, three hundred ninety-eight".