571216942 has 8 divisors (see below), whose sum is σ = 869614056. Its totient is φ = 281345592.

The previous prime is 571216909. The next prime is 571216951. The reversal of 571216942 is 249612175.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131273 + ... + 2131540.

It is an arithmetic number, because the mean of its divisors is an integer number (108701757).

Almost surely, 2^571216942 is an apocalyptic number.

571216942 is a deficient number, since it is larger than the sum of its proper divisors (298397114).

571216942 is a wasteful number, since it uses less digits than its factorization.

571216942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262882.

The product of its digits is 30240, while the sum is 37.

The square root of 571216942 is about 23900.1452296843. The cubic root of 571216942 is about 829.7240782166.

The spelling of 571216942 in words is "five hundred seventy-one million, two hundred sixteen thousand, nine hundred forty-two".