574395640 has 96 divisors (see below), whose sum is σ = 1619110080. Its totient is φ = 181778688.

The previous prime is 574395617. The next prime is 574395709. The reversal of 574395640 is 46593475.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14209 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (16865730).

Almost surely, 2^574395640 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 574395640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809555040).

574395640 is an abundant number, since it is smaller than the sum of its proper divisors (1044714440).

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

574395640 is a wasteful number, since it uses less digits than its factorization.

574395640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581 (or 22570 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 574395640 is about 23966.5525263856. The cubic root of 574395640 is about 831.2603101214.

The spelling of 574395640 in words is "five hundred seventy-four million, three hundred ninety-five thousand, six hundred forty".