575440128 has 108 divisors (see below), whose sum is σ = 1731431520. Its totient is φ = 183456768.

The previous prime is 575440109. The next prime is 575440139. The reversal of 575440128 is 821044575.

It is a super-2 number, since 2×575440128² = 662262681825312768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 575440092 and 575440101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47563 + ... + 58421.

Almost surely, 2^575440128 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 575440128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865715760).

575440128 is an abundant number, since it is smaller than the sum of its proper divisors (1155991392).

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

575440128 is a wasteful number, since it uses less digits than its factorization.

575440128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904 (or 10887 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 575440128 is about 23988.3331642697. Note that the first 3 decimals coincide. The cubic root of 575440128 is about 831.7638629665.

The spelling of 575440128 in words is "five hundred seventy-five million, four hundred forty thousand, one hundred twenty-eight".