42780262 has 16 divisors (see below), whose sum is σ = 77652000. Its totient is φ = 17255808.

The previous prime is 42780233. The next prime is 42780281. The reversal of 42780262 is 26208724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89637 + ... + 90112.

It is an arithmetic number, because the mean of its divisors is an integer number (4853250).

Almost surely, 2^42780262 is an apocalyptic number.

42780262 is a deficient number, since it is larger than the sum of its proper divisors (34871738).

42780262 is a wasteful number, since it uses less digits than its factorization.

42780262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179775.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 42780262 is about 6540.6621988909. The cubic root of 42780262 is about 349.7420194163.

Adding to 42780262 its reverse (26208724), we get a palindrome (68988986).

The spelling of 42780262 in words is "forty-two million, seven hundred eighty thousand, two hundred sixty-two".