42600390 has 32 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 9737184.

The previous prime is 42600379. The next prime is 42600403. The reversal of 42600390 is 9300624.

It is a self number, because there is not a number n which added to its sum of digits gives 42600390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101220 + ... + 101639.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^42600390 is an apocalyptic number.

42600390 is an abundant number, since it is smaller than the sum of its proper divisors (74246970).

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

42600390 is a wasteful number, since it uses less digits than its factorization.

42600390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202876.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 42600390 is about 6526.8974252703. The cubic root of 42600390 is about 349.2511608759.

The spelling of 42600390 in words is "forty-two million, six hundred thousand, three hundred ninety".