276056536 has 32 divisors (see below), whose sum is σ = 594116640. Its totient is φ = 117796608.

The previous prime is 276056531. The next prime is 276056569. The reversal of 276056536 is 635650672.

It is a super-2 number, since 2×276056536² = 152414422136638592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276056531) 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, 2470 + ... + 23626.

It is an arithmetic number, because the mean of its divisors is an integer number (18566145).

Almost surely, 2^276056536 is an apocalyptic number.

It is an amenable number.

276056536 is an abundant number, since it is smaller than the sum of its proper divisors (318060104).

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

276056536 is a wasteful number, since it uses less digits than its factorization.

276056536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21403 (or 21399 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 276056536 is about 16614.9491723568. The cubic root of 276056536 is about 651.1274601911.

The spelling of 276056536 in words is "two hundred seventy-six million, fifty-six thousand, five hundred thirty-six".