42569000 has 32 divisors (see below), whose sum is σ = 99613800. Its totient is φ = 17027200.

The previous prime is 42568997. The next prime is 42569041. The reversal of 42569000 is 96524.

It can be written as a sum of positive squares in 4 ways, for example, as 11276164 + 31292836 = 3358^2 + 5594^2 .

It is a super-2 number, since 2×42569000² = 3624239522000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20285 + ... + 22284.

Almost surely, 2^42569000 is an apocalyptic number.

42569000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42569000 is an abundant number, since it is smaller than the sum of its proper divisors (57044800).

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

42569000 is a wasteful number, since it uses less digits than its factorization.

42569000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42590 (or 42576 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 42569000 is about 6524.4923174144. The cubic root of 42569000 is about 349.1653581580.

The spelling of 42569000 in words is "forty-two million, five hundred sixty-nine thousand".