276645505248 has 120 divisors (see below), whose sum is σ = 929836342512. Its totient is φ = 79041567744.

The previous prime is 276645505247. The next prime is 276645505259. The reversal of 276645505248 is 842505546672.

276645505248 is a `hidden beast` number, since 2 + 7 + 6 + 64 + 5 + 50 + 524 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 276645505194 and 276645505203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276645505247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7605465 + ... + 7641752.

Almost surely, 2^276645505248 is an apocalyptic number.

276645505248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

276645505248 is an abundant number, since it is smaller than the sum of its proper divisors (653190837264).

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

276645505248 is a wasteful number, since it uses less digits than its factorization.

276645505248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15247246 (or 15247229 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 276645505248 in words is "two hundred seventy-six billion, six hundred forty-five million, five hundred five thousand, two hundred forty-eight".