577940540 has 12 divisors (see below), whose sum is σ = 1213675176. Its totient is φ = 231176208.

The previous prime is 577940501. The next prime is 577940543. The reversal of 577940540 is 45049775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577940543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14448494 + ... + 14448533.

It is an arithmetic number, because the mean of its divisors is an integer number (101139598).

Almost surely, 2^577940540 is an apocalyptic number.

It is an amenable number.

577940540 is an abundant number, since it is smaller than the sum of its proper divisors (635734636).

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

577940540 is a wasteful number, since it uses less digits than its factorization.

577940540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28897036 (or 28897034 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 577940540 is about 24040.3939235612. The cubic root of 577940540 is about 832.9668536103.

The spelling of 577940540 in words is "five hundred seventy-seven million, nine hundred forty thousand, five hundred forty".