276400275 has 12 divisors (see below), whose sum is σ = 456981912. Its totient is φ = 147413440.

The previous prime is 276400261. The next prime is 276400283. The reversal of 276400275 is 572004672.

It is not a de Polignac number, because 276400275 - 2²¹ = 274303123 is a prime.

It is a super-2 number, since 2×276400275² = 152794224040151250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1842594 + ... + 1842743.

It is an arithmetic number, because the mean of its divisors is an integer number (38081826).

Almost surely, 2^276400275 is an apocalyptic number.

276400275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

276400275 is a deficient number, since it is larger than the sum of its proper divisors (180581637).

276400275 is a wasteful number, since it uses less digits than its factorization.

276400275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685350 (or 3685345 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 276400275 is about 16625.2902230307. The cubic root of 276400275 is about 651.3976042129.

The spelling of 276400275 in words is "two hundred seventy-six million, four hundred thousand, two hundred seventy-five".