42986460 has 144 divisors (see below), whose sum is σ = 137281536. Its totient is φ = 10032000.

The previous prime is 42986431. The next prime is 42986483. The reversal of 42986460 is 6468924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224965 + ... + 225155.

It is an arithmetic number, because the mean of its divisors is an integer number (953344).

Almost surely, 2^42986460 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 42986460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68640768).

42986460 is an abundant number, since it is smaller than the sum of its proper divisors (94295076).

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

42986460 is a wasteful number, since it uses less digits than its factorization.

42986460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 42986460 is about 6556.4060276954. The cubic root of 42986460 is about 350.3030300778.

It can be divided in two parts, 429864 and 60, that added together give a palindrome (429924).

The spelling of 42986460 in words is "forty-two million, nine hundred eighty-six thousand, four hundred sixty".