276404056 has 8 divisors (see below), whose sum is σ = 518257620. Its totient is φ = 138202024.

The previous prime is 276404021. The next prime is 276404069. The reversal of 276404056 is 650404672.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×276404056² = 152798404346502272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17275246 + ... + 17275261.

Almost surely, 2^276404056 is an apocalyptic number.

It is an amenable number.

276404056 is a deficient number, since it is larger than the sum of its proper divisors (241853564).

276404056 is a wasteful number, since it uses less digits than its factorization.

276404056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34550513 (or 34550509 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 276404056 is about 16625.4039349425. The cubic root of 276404056 is about 651.4005744501.

The spelling of 276404056 in words is "two hundred seventy-six million, four hundred four thousand, fifty-six".