42523540144 has 20 divisors (see below), whose sum is σ = 82458456696. Its totient is φ = 21243938432.

The previous prime is 42523540127. The next prime is 42523540151. The reversal of 42523540144 is 44104532524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094794 + ... + 1132969.

Almost surely, 2^42523540144 is an apocalyptic number.

It is an amenable number.

42523540144 is a deficient number, since it is larger than the sum of its proper divisors (39934916552).

42523540144 is a wasteful number, since it uses less digits than its factorization.

42523540144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228964 (or 2228958 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 42523540144 in words is "forty-two billion, five hundred twenty-three million, five hundred forty thousand, one hundred forty-four".