42155783074 has 8 divisors (see below), whose sum is σ = 63237899088. Its totient is φ = 21076483380.

The previous prime is 42155783063. The next prime is 42155783123. The reversal of 42155783074 is 47038755124.

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

It is a super-2 number, since 2×42155783074² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666252 + ... + 726775.

It is an arithmetic number, because the mean of its divisors is an integer number (7904737386).

Almost surely, 2^42155783074 is an apocalyptic number.

42155783074 is a deficient number, since it is larger than the sum of its proper divisors (21082116014).

42155783074 is a wasteful number, since it uses less digits than its factorization.

42155783074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408160.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 42155783074 in words is "forty-two billion, one hundred fifty-five million, seven hundred eighty-three thousand, seventy-four".