275115875328 has 1232 divisors, whose sum is σ = 1056755070720. Its totient is φ = 69657034752.

The previous prime is 275115875303. The next prime is 275115875351. The reversal of 275115875328 is 823578511572.

It is a happy number.

275115875328 is a `hidden beast` number, since 2 + 7 + 5 + 1 + 1 + 587 + 53 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1687827375 + ... + 1687827537.

Almost surely, 2^275115875328 is an apocalyptic number.

275115875328 is a gapful number since it is divisible by the number (28) 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 275115875328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528377535360).

275115875328 is an abundant number, since it is smaller than the sum of its proper divisors (781639195392).

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

275115875328 is a wasteful number, since it uses less digits than its factorization.

275115875328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 211 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 54.

The spelling of 275115875328 in words is "two hundred seventy-five billion, one hundred fifteen million, eight hundred seventy-five thousand, three hundred twenty-eight".