26953735890 has 32 divisors (see below), whose sum is σ = 64699269696. Its totient is φ = 7186518080.

The previous prime is 26953735883. The next prime is 26953735931. The reversal of 26953735890 is 9853735962.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26953735890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129169 + ... + 265691.

It is an arithmetic number, because the mean of its divisors is an integer number (2021852178).

Almost surely, 2^26953735890 is an apocalyptic number.

26953735890 is an abundant number, since it is smaller than the sum of its proper divisors (37745533806).

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

26953735890 is a wasteful number, since it uses less digits than its factorization.

26953735890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143114.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 26953735890 in words is "twenty-six billion, nine hundred fifty-three million, seven hundred thirty-five thousand, eight hundred ninety".