575445780 has 432 divisors, whose sum is σ = 2315214720. Its totient is φ = 112347648.

The previous prime is 575445721. The next prime is 575445791. The reversal of 575445780 is 87544575.

575445780 is a `hidden beast` number, since 5 + 75 + 4 + 4 + 578 + 0 = 666.

It is a super-2 number, since 2×575445780² = 662275691439616800, which contains 22 as substring.

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 143 ways as a sum of consecutive naturals, for example, 13382439 + ... + 13382481.

Almost surely, 2^575445780 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 575445780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157607360).

575445780 is an abundant number, since it is smaller than the sum of its proper divisors (1739768940).

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

575445780 is a wasteful number, since it uses less digits than its factorization.

575445780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The square root of 575445780 is about 23988.4509712486. The cubic root of 575445780 is about 831.7665861656.

The spelling of 575445780 in words is "five hundred seventy-five million, four hundred forty-five thousand, seven hundred eighty".