42882428 has 12 divisors (see below), whose sum is σ = 75105240. Its totient is φ = 21423792.

The previous prime is 42882409. The next prime is 42882443. The reversal of 42882428 is 82428824.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42882391 and 42882400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (6258770).

Almost surely, 2^42882428 is an apocalyptic number.

It is an amenable number.

42882428 is a deficient number, since it is larger than the sum of its proper divisors (32222812).

42882428 is a wasteful number, since it uses less digits than its factorization.

42882428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716 (or 8714 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 42882428 is about 6548.4676070055. The cubic root of 42882428 is about 350.0202110778.

The spelling of 42882428 in words is "forty-two million, eight hundred eighty-two thousand, four hundred twenty-eight".