276626640564352 has 96 divisors (see below), whose sum is σ = 628152357186000. Its totient is φ = 120954158447616.

The previous prime is 276626640564343. The next prime is 276626640564353. The reversal of 276626640564352 is 253465046626672.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (276626640564353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336111202 + ... + 336933217.

Almost surely, 2^{276626640564352} is an apocalyptic number.

It is an amenable number.

276626640564352 is an abundant number, since it is smaller than the sum of its proper divisors (351525716621648).

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

276626640564352 is a wasteful number, since it uses less digits than its factorization.

276626640564352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673044478 (or 673044453 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 64.

The spelling of 276626640564352 in words is "two hundred seventy-six trillion, six hundred twenty-six billion, six hundred forty million, five hundred sixty-four thousand, three hundred fifty-two".