42782488 has 24 divisors (see below), whose sum is σ = 93314700. Its totient is φ = 18335184.

The previous prime is 42782479. The next prime is 42782491. The reversal of 42782488 is 88428724.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54178 + ... + 54961.

Almost surely, 2^42782488 is an apocalyptic number.

It is an amenable number.

42782488 is an abundant number, since it is smaller than the sum of its proper divisors (50532212).

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

42782488 is a wasteful number, since it uses less digits than its factorization.

42782488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109159 (or 109148 counting only the distinct ones).

The product of its digits is 229376, while the sum is 43.

The square root of 42782488 is about 6540.8323629336. The cubic root of 42782488 is about 349.7480853931.

The spelling of 42782488 in words is "forty-two million, seven hundred eighty-two thousand, four hundred eighty-eight".