276645193532628 has 24 divisors (see below), whose sum is σ = 645506041777632. Its totient is φ = 92214980196384.

The previous prime is 276645193532597. The next prime is 276645193532651. The reversal of 276645193532628 is 826235391546672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3926151 + ... + 23847537.

It is an arithmetic number, because the mean of its divisors is an integer number (26896085074068).

Almost surely, 2^{276645193532628} is an apocalyptic number.

It is an amenable number.

276645193532628 is an abundant number, since it is smaller than the sum of its proper divisors (368860848245004).

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

276645193532628 is a wasteful number, since it uses less digits than its factorization.

276645193532628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078631 (or 21078629 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 69.

The spelling of 276645193532628 in words is "two hundred seventy-six trillion, six hundred forty-five billion, one hundred ninety-three million, five hundred thirty-two thousand, six hundred twenty-eight".