26487271952 has 10 divisors (see below), whose sum is σ = 51319089438. Its totient is φ = 13243635968.

The previous prime is 26487271949. The next prime is 26487271961. The reversal of 26487271952 is 25917278462.

It can be written as a sum of positive squares in only one way, i.e., 20259536896 + 6227735056 = 142336^2 + 78916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26487271894 and 26487271903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827727233 + ... + 827727264.

Almost surely, 2^26487271952 is an apocalyptic number.

It is an amenable number.

26487271952 is a deficient number, since it is larger than the sum of its proper divisors (24831817486).

26487271952 is a wasteful number, since it uses less digits than its factorization.

26487271952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655454505 (or 1655454499 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The spelling of 26487271952 in words is "twenty-six billion, four hundred eighty-seven million, two hundred seventy-one thousand, nine hundred fifty-two".