42526840 has 32 divisors (see below), whose sum is σ = 98022960. Its totient is φ = 16595200.

The previous prime is 42526819. The next prime is 42526853. The reversal of 42526840 is 4862524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11326 + ... + 14605.

Almost surely, 2^42526840 is an apocalyptic number.

42526840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42526840 is an abundant number, since it is smaller than the sum of its proper divisors (55496120).

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

42526840 is a wasteful number, since it uses less digits than its factorization.

42526840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25983 (or 25979 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 42526840 is about 6521.2606143291. The cubic root of 42526840 is about 349.0500498823.

The spelling of 42526840 in words is "forty-two million, five hundred twenty-six thousand, eight hundred forty".