42144550542 has 24 divisors (see below), whose sum is σ = 91331299800. Its totient is φ = 14045397840.

The previous prime is 42144550507. The next prime is 42144550589. The reversal of 42144550542 is 24505544124.

42144550542 is a `hidden beast` number, since 4 + 2 + 144 + 5 + 505 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42144550497 and 42144550506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137809 + ... + 321372.

It is an arithmetic number, because the mean of its divisors is an integer number (3805470825).

Almost surely, 2^42144550542 is an apocalyptic number.

42144550542 is an abundant number, since it is smaller than the sum of its proper divisors (49186749258).

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

42144550542 is a wasteful number, since it uses less digits than its factorization.

42144550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464288 (or 464285 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 42144550542 in words is "forty-two billion, one hundred forty-four million, five hundred fifty thousand, five hundred forty-two".