577161040 has 20 divisors (see below), whose sum is σ = 1341899604. Its totient is φ = 230864384.

The previous prime is 577161037. The next prime is 577161041. The reversal of 577161040 is 40161775.

It can be written as a sum of positive squares in 2 ways, for example, as 209902144 + 367258896 = 14488^2 + 19164^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×577161040² = 666229732187763200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 577160993 and 577161011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577161041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607177 + ... + 3607336.

Almost surely, 2^577161040 is an apocalyptic number.

It is an amenable number.

577161040 is an abundant number, since it is smaller than the sum of its proper divisors (764738564).

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

577161040 is a wasteful number, since it uses less digits than its factorization.

577161040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214526 (or 7214520 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 577161040 is about 24024.1761565303. The cubic root of 577161040 is about 832.5921958092.

The spelling of 577161040 in words is "five hundred seventy-seven million, one hundred sixty-one thousand, forty".