755220000 has 240 divisors, whose sum is σ = 2545960032. Its totient is φ = 195840000.

The previous prime is 755219957. The next prime is 755220029. The reversal of 755220000 is 22557.

It is a tau number, because it is divible by the number of its divisors (240).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2459847 + ... + 2460153.

Almost surely, 2^755220000 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 755220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272980016).

755220000 is an abundant number, since it is smaller than the sum of its proper divisors (1790740032).

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

755220000 is a wasteful number, since it uses less digits than its factorization.

755220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 755220000 is about 27481.2663463677. The cubic root of 755220000 is about 910.6632848904.

Adding to 755220000 its reverse (22557), we get a palindrome (755242557).

The spelling of 755220000 in words is "seven hundred fifty-five million, two hundred twenty thousand".