275275290030 has 128 divisors (see below), whose sum is σ = 720863539200. Its totient is φ = 67270349952.

The previous prime is 275275290019. The next prime is 275275290061. The reversal of 275275290030 is 30092572572.

It is a super-2 number, since 2×275275290030² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9146467 + ... + 9176513.

It is an arithmetic number, because the mean of its divisors is an integer number (5631746400).

Almost surely, 2^275275290030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275275290030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360431769600).

275275290030 is an abundant number, since it is smaller than the sum of its proper divisors (445588249170).

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

275275290030 is a wasteful number, since it uses less digits than its factorization.

275275290030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30235 (or 30209 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 275275290030 in words is "two hundred seventy-five billion, two hundred seventy-five million, two hundred ninety thousand, thirty".