42988784 has 20 divisors (see below), whose sum is σ = 88190784. Its totient is φ = 20229888.

The previous prime is 42988769. The next prime is 42988793. The reversal of 42988784 is 48788924.

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, 78752 + ... + 79295.

Almost surely, 2^42988784 is an apocalyptic number.

It is an amenable number.

42988784 is an abundant number, since it is smaller than the sum of its proper divisors (45202000).

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

42988784 is a wasteful number, since it uses less digits than its factorization.

42988784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158072 (or 158066 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 42988784 is about 6556.5832565445. The cubic root of 42988784 is about 350.3093428374.

The spelling of 42988784 in words is "forty-two million, nine hundred eighty-eight thousand, seven hundred eighty-four".