42688232 has 32 divisors (see below), whose sum is σ = 85055400. Its totient is φ = 20047104.

The previous prime is 42688229. The next prime is 42688237. The reversal of 42688232 is 23288624.

It can be written as a sum of positive squares in 4 ways, for example, as 42432196 + 256036 = 6514^2 + 506^2 .

It is a super-3 number, since 3×42688232³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42688192 and 42688201.

It is not an unprimeable number, because it can be changed into a prime (42688237) 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, 6098 + ... + 11070.

Almost surely, 2^42688232 is an apocalyptic number.

It is an amenable number.

42688232 is a deficient number, since it is larger than the sum of its proper divisors (42367168).

42688232 is a wasteful number, since it uses less digits than its factorization.

42688232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045 (or 5041 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 42688232 is about 6533.6231908490. The cubic root of 42688232 is about 349.4910480221.

The spelling of 42688232 in words is "forty-two million, six hundred eighty-eight thousand, two hundred thirty-two".