26821498950 has 48 divisors (see below), whose sum is σ = 73908134160. Its totient is φ = 7152399360.

The previous prime is 26821498939. The next prime is 26821498969. The reversal of 26821498950 is 5989412862.

It is a happy number.

26821498950 is a `hidden beast` number, since 2 + 68 + 2 + 1 + 498 + 95 + 0 = 666.

It is a super-2 number, since 2×26821498950² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9932539 + ... + 9935238.

It is an arithmetic number, because the mean of its divisors is an integer number (1539752795).

Almost surely, 2^26821498950 is an apocalyptic number.

26821498950 is an abundant number, since it is smaller than the sum of its proper divisors (47086635210).

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

26821498950 is a wasteful number, since it uses less digits than its factorization.

26821498950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867798 (or 19867787 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 26821498950 in words is "twenty-six billion, eight hundred twenty-one million, four hundred ninety-eight thousand, nine hundred fifty".