276156049428 has 36 divisors (see below), whose sum is σ = 797784143520. Its totient is φ = 78901728336.

The previous prime is 276156049409. The next prime is 276156049439. The reversal of 276156049428 is 824940651672.

276156049428 is a `hidden beast` number, since 2 + 7 + 6 + 1 + 5 + 604 + 9 + 4 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 547928418 + ... + 547928921.

Almost surely, 2^276156049428 is an apocalyptic number.

276156049428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

276156049428 is an abundant number, since it is smaller than the sum of its proper divisors (521628094092).

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

276156049428 is a wasteful number, since it uses less digits than its factorization.

276156049428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095857356 (or 1095857351 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 276156049428 in words is "two hundred seventy-six billion, one hundred fifty-six million, forty-nine thousand, four hundred twenty-eight".