275232856320 has 432 divisors, whose sum is σ = 963288144000. Its totient is φ = 72552775680.

The previous prime is 275232856309. The next prime is 275232856331. The reversal of 275232856320 is 23658232572.

275232856320 is a `hidden beast` number, since 2 + 7 + 5 + 2 + 3 + 2 + 8 + 5 + 632 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (275232856309) and next prime (275232856331).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483712996 + ... + 483713564.

Almost surely, 2^275232856320 is an apocalyptic number.

275232856320 is a gapful number since it is divisible by the number (20) 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 275232856320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481644072000).

275232856320 is an abundant number, since it is smaller than the sum of its proper divisors (688055287680).

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

275232856320 is a wasteful number, since it uses less digits than its factorization.

275232856320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 275232856320 in words is "two hundred seventy-five billion, two hundred thirty-two million, eight hundred fifty-six thousand, three hundred twenty".