42540614 has 4 divisors (see below), whose sum is σ = 63810924. Its totient is φ = 21270306.

The previous prime is 42540581. The next prime is 42540637. The reversal of 42540614 is 41604524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10635152 + ... + 10635155.

It is an arithmetic number, because the mean of its divisors is an integer number (15952731).

Almost surely, 2^42540614 is an apocalyptic number.

42540614 is a deficient number, since it is larger than the sum of its proper divisors (21270310).

42540614 is a wasteful number, since it uses less digits than its factorization.

42540614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270309.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42540614 is about 6522.3166129835. The cubic root of 42540614 is about 349.0877303716.

The spelling of 42540614 in words is "forty-two million, five hundred forty thousand, six hundred fourteen".