42217540798 has 8 divisors (see below), whose sum is σ = 63328676400. Its totient is φ = 21107982000.

The previous prime is 42217540759. The next prime is 42217540853. The reversal of 42217540798 is 89704571224.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324823 + ... + 435826.

It is an arithmetic number, because the mean of its divisors is an integer number (7916084550).

Almost surely, 2^42217540798 is an apocalyptic number.

42217540798 is a deficient number, since it is larger than the sum of its proper divisors (21111135602).

42217540798 is a wasteful number, since it uses less digits than its factorization.

42217540798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788402.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 42217540798 in words is "forty-two billion, two hundred seventeen million, five hundred forty thousand, seven hundred ninety-eight".