26299532849964 has 48 divisors (see below), whose sum is σ = 67594209795840. Its totient is φ = 7892181080640.

The previous prime is 26299532849963. The next prime is 26299532850001. The reversal of 26299532849964 is 46994823599262.

It is a super-2 number, since 2×26299532849964² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26299532849964.

It is not an unprimeable number, because it can be changed into a prime (26299532849963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967165459 + ... + 967192650.

It is an arithmetic number, because the mean of its divisors is an integer number (1408212704080).

Almost surely, 2^{26299532849964} is an apocalyptic number.

It is an amenable number.

26299532849964 is an abundant number, since it is smaller than the sum of its proper divisors (41294676945876).

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

26299532849964 is a wasteful number, since it uses less digits than its factorization.

26299532849964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934358230 (or 1934358228 counting only the distinct ones).

The product of its digits is 3627970560, while the sum is 78.

The spelling of 26299532849964 in words is "twenty-six trillion, two hundred ninety-nine billion, five hundred thirty-two million, eight hundred forty-nine thousand, nine hundred sixty-four".