42010870 has 16 divisors (see below), whose sum is σ = 82494288. Its totient is φ = 15276640.

The previous prime is 42010867. The next prime is 42010877. The reversal of 42010870 is 7801024.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190849 + ... + 191068.

It is an arithmetic number, because the mean of its divisors is an integer number (5155893).

Almost surely, 2^42010870 is an apocalyptic number.

42010870 is a deficient number, since it is larger than the sum of its proper divisors (40483418).

42010870 is a wasteful number, since it uses less digits than its factorization.

42010870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381935.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 42010870 is about 6481.5792828600. The cubic root of 42010870 is about 347.6326495287.

Adding to 42010870 its reverse (7801024), we get a palindrome (49811894).

The spelling of 42010870 in words is "forty-two million, ten thousand, eight hundred seventy".