255577456740 has 24 divisors (see below), whose sum is σ = 715616879040. Its totient is φ = 68153988448.

The previous prime is 255577456733. The next prime is 255577456741. The reversal of 255577456740 is 47654775552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (255577456741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129812080 + ... + 2129812199.

It is an arithmetic number, because the mean of its divisors is an integer number (29817369960).

Almost surely, 2^255577456740 is an apocalyptic number.

255577456740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255577456740 is an abundant number, since it is smaller than the sum of its proper divisors (460039422300).

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

255577456740 is a wasteful number, since it uses less digits than its factorization.

255577456740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259624291 (or 4259624289 counting only the distinct ones).

The product of its (nonzero) digits is 41160000, while the sum is 57.

The spelling of 255577456740 in words is "two hundred fifty-five billion, five hundred seventy-seven million, four hundred fifty-six thousand, seven hundred forty".