276272782452 has 120 divisors (see below), whose sum is σ = 728039697000. Its totient is φ = 91352012544.

The previous prime is 276272782439. The next prime is 276272782469. The reversal of 276272782452 is 254287272672.

276272782452 is a `hidden beast` number, since 2 + 7 + 627 + 2 + 7 + 8 + 2 + 4 + 5 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55264356 + 276217518096 = 7434^2 + 525564^2 .

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 39 ways as a sum of consecutive naturals, for example, 41176074 + ... + 41182782.

It is an arithmetic number, because the mean of its divisors is an integer number (6066997475).

Almost surely, 2^276272782452 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 276272782452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364019848500).

276272782452 is an abundant number, since it is smaller than the sum of its proper divisors (451766914548).

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

276272782452 is a wasteful number, since it uses less digits than its factorization.

276272782452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727 (or 7716 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 54.

The spelling of 276272782452 in words is "two hundred seventy-six billion, two hundred seventy-two million, seven hundred eighty-two thousand, four hundred fifty-two".