26990244453 has 16 divisors (see below), whose sum is σ = 36075095936. Its totient is φ = 17949496320.

The previous prime is 26990244419. The next prime is 26990244481. The reversal of 26990244453 is 35444209962.

It is not a de Polignac number, because 26990244453 - 2¹² = 26990240357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26990244653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449725 + ... + 2460717.

It is an arithmetic number, because the mean of its divisors is an integer number (2254693496).

Almost surely, 2^26990244453 is an apocalyptic number.

It is an amenable number.

26990244453 is a deficient number, since it is larger than the sum of its proper divisors (9084851483).

26990244453 is a wasteful number, since it uses less digits than its factorization.

26990244453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 26990244453 in words is "twenty-six billion, nine hundred ninety million, two hundred forty-four thousand, four hundred fifty-three".