655338080 has 96 divisors (see below), whose sum is σ = 1659559104. Its totient is φ = 243910656.

The previous prime is 655338041. The next prime is 655338091. The reversal of 655338080 is 80833556.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133754 + ... + 138566.

It is an arithmetic number, because the mean of its divisors is an integer number (17287074).

Almost surely, 2^655338080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655338080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829779552).

655338080 is an abundant number, since it is smaller than the sum of its proper divisors (1004221024).

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

655338080 is a wasteful number, since it uses less digits than its factorization.

655338080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 655338080 is about 25599.5718714200. The cubic root of 655338080 is about 868.6039529520.

The spelling of 655338080 in words is "six hundred fifty-five million, three hundred thirty-eight thousand, eighty".