276138843805270 has 256 divisors, whose sum is σ = 541720501862400. Its totient is φ = 101312982312960.

The previous prime is 276138843805247. The next prime is 276138843805273. The reversal of 276138843805270 is 72508348831672.

It is a super-2 number, since 2×276138843805270² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276138843805273) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 319975484859 + ... + 319975485721.

It is an arithmetic number, because the mean of its divisors is an integer number (2116095710400).

Almost surely, 2^{276138843805270} is an apocalyptic number.

276138843805270 is a deficient number, since it is larger than the sum of its proper divisors (265581658057130).

276138843805270 is a wasteful number, since it uses less digits than its factorization.

276138843805270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 276138843805270 in words is "two hundred seventy-six trillion, one hundred thirty-eight billion, eight hundred forty-three million, eight hundred five thousand, two hundred seventy".