42528494 has 16 divisors (see below), whose sum is σ = 64696320. Its totient is φ = 20965080.

The previous prime is 42528491. The next prime is 42528511. The reversal of 42528494 is 49482524.

It is a happy number.

It is a super-3 number, since 3×42528494³ (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42528491) 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, 88547 + ... + 89025.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^42528494 is an apocalyptic number.

42528494 is a deficient number, since it is larger than the sum of its proper divisors (22167826).

42528494 is a wasteful number, since it uses less digits than its factorization.

42528494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its digits is 92160, while the sum is 38.

The square root of 42528494 is about 6521.3874290675. The cubic root of 42528494 is about 349.0545750347.

The spelling of 42528494 in words is "forty-two million, five hundred twenty-eight thousand, four hundred ninety-four".