42240495 has 72 divisors (see below), whose sum is σ = 80840592. Its totient is φ = 18754560.

The previous prime is 42240481. The next prime is 42240503. The reversal of 42240495 is 59404224.

42240495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42240495 - 2⁵ = 42240463 is a prime.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 1141617 + ... + 1141653.

It is an arithmetic number, because the mean of its divisors is an integer number (1122786).

Almost surely, 2^42240495 is an apocalyptic number.

42240495 is a deficient number, since it is larger than the sum of its proper divisors (38600097).

42240495 is a wasteful number, since it uses less digits than its factorization.

42240495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42240495 is about 6499.2688050272. The cubic root of 42240495 is about 348.2648680460.

The spelling of 42240495 in words is "forty-two million, two hundred forty thousand, four hundred ninety-five".