42388976 has 80 divisors (see below), whose sum is σ = 98725824. Its totient is φ = 17252352.

The previous prime is 42388949. The next prime is 42388987. The reversal of 42388976 is 67988324.

42388976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42388976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219536 + ... + 219728.

Almost surely, 2^42388976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42388976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49362912).

42388976 is an abundant number, since it is smaller than the sum of its proper divisors (56336848).

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

42388976 is a wasteful number, since it uses less digits than its factorization.

42388976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 42388976 is about 6510.6816847393. The cubic root of 42388976 is about 348.6724567345.

The spelling of 42388976 in words is "forty-two million, three hundred eighty-eight thousand, nine hundred seventy-six".