571676940 has 288 divisors, whose sum is σ = 1951971840. Its totient is φ = 139968000.

The previous prime is 571676929. The next prime is 571676953. The reversal of 571676940 is 49676175.

It is a happy number.

571676940 is a `hidden beast` number, since 571 + 6 + 76 + 9 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3785865 + ... + 3786015.

It is an arithmetic number, because the mean of its divisors is an integer number (6777680).

Almost surely, 2^571676940 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 571676940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975985920).

571676940 is an abundant number, since it is smaller than the sum of its proper divisors (1380294900).

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

571676940 is a wasteful number, since it uses less digits than its factorization.

571676940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 571676940 is about 23909.7666237042. The cubic root of 571676940 is about 829.9467426030.

The spelling of 571676940 in words is "five hundred seventy-one million, six hundred seventy-six thousand, nine hundred forty".