755420280 has 128 divisors (see below), whose sum is σ = 2378833920. Its totient is φ = 191544320.

The previous prime is 755420269. The next prime is 755420293. The reversal of 755420280 is 82024557.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526444 + ... + 527876.

It is an arithmetic number, because the mean of its divisors is an integer number (18584640).

Almost surely, 2^755420280 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 755420280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189416960).

755420280 is an abundant number, since it is smaller than the sum of its proper divisors (1623413640).

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

755420280 is a wasteful number, since it uses less digits than its factorization.

755420280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 755420280 is about 27484.9100416938. The cubic root of 755420280 is about 910.7437786637.

The spelling of 755420280 in words is "seven hundred fifty-five million, four hundred twenty thousand, two hundred eighty".