42413540 has 24 divisors (see below), whose sum is σ = 95920440. Its totient is φ = 15660288.

The previous prime is 42413537. The next prime is 42413561. The reversal of 42413540 is 4531424.

42413540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 42406144 = 86^2 + 6512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81305 + ... + 81824.

It is an arithmetic number, because the mean of its divisors is an integer number (3996685).

Almost surely, 2^42413540 is an apocalyptic number.

It is an amenable number.

42413540 is an abundant number, since it is smaller than the sum of its proper divisors (53506900).

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

42413540 is a wasteful number, since it uses less digits than its factorization.

42413540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163151 (or 163149 counting only the distinct ones).

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

The square root of 42413540 is about 6512.5678499345. The cubic root of 42413540 is about 348.7397944967.

Adding to 42413540 its reverse (4531424), we get a palindrome (46944964).

The spelling of 42413540 in words is "forty-two million, four hundred thirteen thousand, five hundred forty".