42090162 has 32 divisors (see below), whose sum is σ = 86640192. Its totient is φ = 13625664.

The previous prime is 42090131. The next prime is 42090197. The reversal of 42090162 is 26109024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33408 + ... + 34644.

It is an arithmetic number, because the mean of its divisors is an integer number (2707506).

Almost surely, 2^42090162 is an apocalyptic number.

42090162 is an abundant number, since it is smaller than the sum of its proper divisors (44550030).

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

42090162 is a wasteful number, since it uses less digits than its factorization.

42090162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42090162 is about 6487.6931185129. The cubic root of 42090162 is about 347.8512212485.

Adding to 42090162 its reverse (26109024), we get a palindrome (68199186).

The spelling of 42090162 in words is "forty-two million, ninety thousand, one hundred sixty-two".