42862490 has 16 divisors (see below), whose sum is σ = 84166560. Its totient is φ = 15586320.

The previous prime is 42862483. The next prime is 42862511. The reversal of 42862490 is 9426824.

It is a self number, because there is not a number n which added to its sum of digits gives 42862490.

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, 194720 + ... + 194939.

It is an arithmetic number, because the mean of its divisors is an integer number (5260410).

Almost surely, 2^42862490 is an apocalyptic number.

42862490 is a deficient number, since it is larger than the sum of its proper divisors (41304070).

42862490 is a wasteful number, since it uses less digits than its factorization.

42862490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389677.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42862490 is about 6546.9450891236. The cubic root of 42862490 is about 349.9659558723.

It can be divided in two parts, 4286 and 2490, that added together give a palindrome (6776).

The spelling of 42862490 in words is "forty-two million, eight hundred sixty-two thousand, four hundred ninety".