276277640264 has 32 divisors (see below), whose sum is σ = 534805286400. Its totient is φ = 133664136960.

The previous prime is 276277640263. The next prime is 276277640273. The reversal of 276277640264 is 462046772672.

It is not an unprimeable number, because it can be changed into a prime (276277640263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800944 + ... + 1948320.

It is an arithmetic number, because the mean of its divisors is an integer number (16712665200).

Almost surely, 2^276277640264 is an apocalyptic number.

It is an amenable number.

276277640264 is a deficient number, since it is larger than the sum of its proper divisors (258527646136).

276277640264 is a wasteful number, since it uses less digits than its factorization.

276277640264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154973 (or 154969 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 53.

The spelling of 276277640264 in words is "two hundred seventy-six billion, two hundred seventy-seven million, six hundred forty thousand, two hundred sixty-four".