577471540 has 48 divisors (see below), whose sum is σ = 1234888704. Its totient is φ = 226800000.

The previous prime is 577471529. The next prime is 577471549. The reversal of 577471540 is 45174775.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 577471493 and 577471502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577471549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255415 + ... + 257665.

It is an arithmetic number, because the mean of its divisors is an integer number (25726848).

Almost surely, 2^577471540 is an apocalyptic number.

It is an amenable number.

577471540 is an abundant number, since it is smaller than the sum of its proper divisors (657417164).

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

577471540 is a wasteful number, since it uses less digits than its factorization.

577471540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 577471540 is about 24030.6375279558. The cubic root of 577471540 is about 832.7414744988.

The spelling of 577471540 in words is "five hundred seventy-seven million, four hundred seventy-one thousand, five hundred forty".