42101862 has 32 divisors (see below), whose sum is σ = 93239424. Its totient is φ = 12566400.

The previous prime is 42101837. The next prime is 42101903. The reversal of 42101862 is 26810124.

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, 339 + ... + 9182.

It is an arithmetic number, because the mean of its divisors is an integer number (2913732).

Almost surely, 2^42101862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42101862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46619712).

42101862 is an abundant number, since it is smaller than the sum of its proper divisors (51137562).

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

42101862 is a wasteful number, since it uses less digits than its factorization.

42101862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 42101862 is about 6488.5947631209. The cubic root of 42101862 is about 347.8834495417.

Adding to 42101862 its reverse (26810124), we get a palindrome (68911986).

The spelling of 42101862 in words is "forty-two million, one hundred one thousand, eight hundred sixty-two".