276741385020 has 144 divisors (see below), whose sum is σ = 868687092000. Its totient is φ = 71229021696.

The previous prime is 276741384961. The next prime is 276741385031. The reversal of 276741385020 is 20583147672.

276741385020 is a `hidden beast` number, since 2 + 7 + 6 + 7 + 4 + 138 + 502 + 0 = 666.

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

It is a congruent number.

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, 19719366 + ... + 19733394.

It is an arithmetic number, because the mean of its divisors is an integer number (6032549250).

Almost surely, 2^276741385020 is an apocalyptic number.

276741385020 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 276741385020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434343546000).

276741385020 is an abundant number, since it is smaller than the sum of its proper divisors (591945706980).

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

276741385020 is a wasteful number, since it uses less digits than its factorization.

276741385020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17852 (or 17847 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 276741385020 in words is "two hundred seventy-six billion, seven hundred forty-one million, three hundred eighty-five thousand, twenty".