275656401472 has 14 divisors (see below), whose sum is σ = 547005671798. Its totient is φ = 137828200704.

The previous prime is 275656401443. The next prime is 275656401479. The reversal of 275656401472 is 274104656572.

It can be written as a sum of positive squares in only one way, i.e., 156233629696 + 119422771776 = 395264^2 + 345576^2 .

It is not an unprimeable number, because it can be changed into a prime (275656401479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2153565573 + ... + 2153565700.

Almost surely, 2^275656401472 is an apocalyptic number.

It is an amenable number.

275656401472 is a deficient number, since it is larger than the sum of its proper divisors (271349270326).

275656401472 is an equidigital number, since it uses as much as digits as its factorization.

275656401472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307131285 (or 4307131275 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 275656401472 in words is "two hundred seventy-five billion, six hundred fifty-six million, four hundred one thousand, four hundred seventy-two".