577057940 has 12 divisors (see below), whose sum is σ = 1211821716. Its totient is φ = 230823168.

The previous prime is 577057939. The next prime is 577057951. The reversal of 577057940 is 49750775.

It can be written as a sum of positive squares in 2 ways, for example, as 233845264 + 343212676 = 15292^2 + 18526^2 .

It is a super-2 number, since 2×577057940² = 665991732234087200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 577057891 and 577057900.

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, 14426429 + ... + 14426468.

It is an arithmetic number, because the mean of its divisors is an integer number (100985143).

Almost surely, 2^577057940 is an apocalyptic number.

It is an amenable number.

577057940 is an abundant number, since it is smaller than the sum of its proper divisors (634763776).

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

577057940 is a wasteful number, since it uses less digits than its factorization.

577057940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28852906 (or 28852904 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 577057940 is about 24022.0303055341. The cubic root of 577057940 is about 832.5426167135.

The spelling of 577057940 in words is "five hundred seventy-seven million, fifty-seven thousand, nine hundred forty".