42165563254 has 8 divisors (see below), whose sum is σ = 63266693400. Its totient is φ = 21076665456.

The previous prime is 42165563239. The next prime is 42165563273. The reversal of 42165563254 is 45236556124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42165563254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3049464 + ... + 3063259.

It is an arithmetic number, because the mean of its divisors is an integer number (7908336675).

Almost surely, 2^42165563254 is an apocalyptic number.

42165563254 is a deficient number, since it is larger than the sum of its proper divisors (21101130146).

42165563254 is a wasteful number, since it uses less digits than its factorization.

42165563254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116174.

The product of its digits is 864000, while the sum is 43.

The spelling of 42165563254 in words is "forty-two billion, one hundred sixty-five million, five hundred sixty-three thousand, two hundred fifty-four".