26693954560 has 704 divisors, whose sum is σ = 85572329472. Its totient is φ = 7759724544.

The previous prime is 26693954549. The next prime is 26693954569. The reversal of 26693954560 is 6545939662.

It is not an unprimeable number, because it can be changed into a prime (26693954569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 503659494 + ... + 503659546.

Almost surely, 2^26693954560 is an apocalyptic number.

26693954560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26693954560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42786164736).

26693954560 is an abundant number, since it is smaller than the sum of its proper divisors (58878374912).

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

26693954560 is a wasteful number, since it uses less digits than its factorization.

26693954560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 55.

The spelling of 26693954560 in words is "twenty-six billion, six hundred ninety-three million, nine hundred fifty-four thousand, five hundred sixty".