42217047392 has 96 divisors (see below), whose sum is σ = 91921277952. Its totient is φ = 18965366784.

The previous prime is 42217047361. The next prime is 42217047407. The reversal of 42217047392 is 29374071224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2792558 + ... + 2807634.

It is an arithmetic number, because the mean of its divisors is an integer number (957513312).

Almost surely, 2^42217047392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42217047392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45960638976).

42217047392 is an abundant number, since it is smaller than the sum of its proper divisors (49704230560).

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

42217047392 is a wasteful number, since it uses less digits than its factorization.

42217047392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280 (or 15272 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 42217047392 in words is "forty-two billion, two hundred seventeen million, forty-seven thousand, three hundred ninety-two".