42541830 has 24 divisors (see below), whose sum is σ = 110608992. Its totient is φ = 11344464.

The previous prime is 42541801. The next prime is 42541841. The reversal of 42541830 is 3814524.

42541830 is a `hidden beast` number, since 42 + 541 + 83 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42541794 and 42541803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236254 + ... + 236433.

It is an arithmetic number, because the mean of its divisors is an integer number (4608708).

Almost surely, 2^42541830 is an apocalyptic number.

42541830 is an abundant number, since it is smaller than the sum of its proper divisors (68067162).

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

42541830 is a wasteful number, since it uses less digits than its factorization.

42541830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472700 (or 472697 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42541830 is about 6522.4098307297. The cubic root of 42541830 is about 349.0910565000.

It can be divided in two parts, 4254 and 1830, that added together give a square (6084 = 78²).

The spelling of 42541830 in words is "forty-two million, five hundred forty-one thousand, eight hundred thirty".