755285388 has 72 divisors (see below), whose sum is σ = 2086169904. Its totient is φ = 211263360.

The previous prime is 755285371. The next prime is 755285393. The reversal of 755285388 is 883582557.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 755285388.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131 + ... + 38882.

It is an arithmetic number, because the mean of its divisors is an integer number (28974582).

Almost surely, 2^755285388 is an apocalyptic number.

755285388 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755285388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043084952).

755285388 is an abundant number, since it is smaller than the sum of its proper divisors (1330884516).

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

755285388 is a wasteful number, since it uses less digits than its factorization.

755285388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40055 (or 40042 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 51.

The square root of 755285388 is about 27482.4560037854. The cubic root of 755285388 is about 910.6895662974.

The spelling of 755285388 in words is "seven hundred fifty-five million, two hundred eighty-five thousand, three hundred eighty-eight".