577240422 has 24 divisors (see below), whose sum is σ = 1268976408. Its totient is φ = 174921120.

The previous prime is 577240421. The next prime is 577240427. The reversal of 577240422 is 224042775.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577240421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396823 + ... + 398274.

It is an arithmetic number, because the mean of its divisors is an integer number (52874017).

Almost surely, 2^577240422 is an apocalyptic number.

577240422 is an abundant number, since it is smaller than the sum of its proper divisors (691735986).

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

577240422 is a wasteful number, since it uses less digits than its factorization.

577240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795124 (or 795113 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 577240422 is about 24025.8282271392. The cubic root of 577240422 is about 832.6303652854.

The spelling of 577240422 in words is "five hundred seventy-seven million, two hundred forty thousand, four hundred twenty-two".