276422891648 has 24 divisors (see below), whose sum is σ = 550698079815. Its totient is φ = 138208471680.

The previous prime is 276422891629. The next prime is 276422891681. The reversal of 276422891648 is 846198224672.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 138211445824 + 138211445824 = 371768^2 + 371768^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=371768.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5925053 + ... + 5971523.

Almost surely, 2^276422891648 is an apocalyptic number.

It is an amenable number.

276422891648 is a deficient number, since it is larger than the sum of its proper divisors (274275188167).

276422891648 is an frugal number, since it uses more digits than its factorization.

276422891648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92956 (or 46473 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 59.

The spelling of 276422891648 in words is "two hundred seventy-six billion, four hundred twenty-two million, eight hundred ninety-one thousand, six hundred forty-eight".