42541340 has 12 divisors (see below), whose sum is σ = 89336856. Its totient is φ = 17016528.

The previous prime is 42541337. The next prime is 42541349. The reversal of 42541340 is 4314524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063514 + ... + 1063553.

It is an arithmetic number, because the mean of its divisors is an integer number (7444738).

Almost surely, 2^42541340 is an apocalyptic number.

It is an amenable number.

42541340 is an abundant number, since it is smaller than the sum of its proper divisors (46795516).

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

42541340 is a wasteful number, since it uses less digits than its factorization.

42541340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127076 (or 2127074 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42541340 is about 6522.3722678179. The cubic root of 42541340 is about 349.0897162092.

Adding to 42541340 its reverse (4314524), we get a palindrome (46855864).

The spelling of 42541340 in words is "forty-two million, five hundred forty-one thousand, three hundred forty".