42155433032 has 16 divisors (see below), whose sum is σ = 79078352640. Its totient is φ = 21067872336.

The previous prime is 42155433031. The next prime is 42155433041. The reversal of 42155433032 is 23033455124.

It is a self number, because there is not a number n which added to its sum of digits gives 42155433032.

It is not an unprimeable number, because it can be changed into a prime (42155433031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212308 + ... + 1246595.

It is an arithmetic number, because the mean of its divisors is an integer number (4942397040).

Almost surely, 2^42155433032 is an apocalyptic number.

It is an amenable number.

42155433032 is a deficient number, since it is larger than the sum of its proper divisors (36922919608).

42155433032 is a wasteful number, since it uses less digits than its factorization.

42155433032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461052 (or 2461048 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 42155433032 its reverse (23033455124), we get a palindrome (65188888156).

The spelling of 42155433032 in words is "forty-two billion, one hundred fifty-five million, four hundred thirty-three thousand, thirty-two".