276490368 has 256 divisors, whose sum is σ = 1018368000. Its totient is φ = 71746560.

The previous prime is 276490367. The next prime is 276490373. The reversal of 276490368 is 863094672.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276490367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265593 + ... + 266631.

It is an arithmetic number, because the mean of its divisors is an integer number (3978000).

Almost surely, 2^276490368 is an apocalyptic number.

276490368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276490368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509184000).

276490368 is an abundant number, since it is smaller than the sum of its proper divisors (741877632).

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

276490368 is a wasteful number, since it uses less digits than its factorization.

276490368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 276490368 is about 16627.9995188838. Note that the first 3 decimals coincide. The cubic root of 276490368 is about 651.4683711338.

The spelling of 276490368 in words is "two hundred seventy-six million, four hundred ninety thousand, three hundred sixty-eight".