276540030 has 96 divisors (see below), whose sum is σ = 785453760. Its totient is φ = 67092480.

The previous prime is 276540013. The next prime is 276540073. The reversal of 276540030 is 30045672.

It is a happy number.

276540030 is a `hidden beast` number, since 2 + 7 + 654 + 0 + 0 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 276539976 and 276540003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81406 + ... + 84734.

It is an arithmetic number, because the mean of its divisors is an integer number (8181810).

Almost surely, 2^276540030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276540030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392726880).

276540030 is an abundant number, since it is smaller than the sum of its proper divisors (508913730).

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

276540030 is a wasteful number, since it uses less digits than its factorization.

276540030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 276540030 is about 16629.4927763898. The cubic root of 276540030 is about 651.5073734393.

The spelling of 276540030 in words is "two hundred seventy-six million, five hundred forty thousand, thirty".