42155862 has 16 divisors (see below), whose sum is σ = 96356352. Its totient is φ = 12044520.

The previous prime is 42155857. The next prime is 42155863. The reversal of 42155862 is 26855124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42155863) 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, 501814 + ... + 501897.

It is an arithmetic number, because the mean of its divisors is an integer number (6022272).

Almost surely, 2^42155862 is an apocalyptic number.

42155862 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42155862 is an abundant number, since it is smaller than the sum of its proper divisors (54200490).

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

42155862 is a wasteful number, since it uses less digits than its factorization.

42155862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003723.

The product of its digits is 19200, while the sum is 33.

The square root of 42155862 is about 6492.7545772191. The cubic root of 42155862 is about 348.0321181877.

The spelling of 42155862 in words is "forty-two million, one hundred fifty-five thousand, eight hundred sixty-two".