26663224540 has 48 divisors (see below), whose sum is σ = 56981484000. Its totient is φ = 10477216512.

The previous prime is 26663224537. The next prime is 26663224579. The reversal of 26663224540 is 4542236662.

It is a junction number, because it is equal to n+sod(n) for n = 26663224493 and 26663224502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877386 + ... + 1891534.

It is an arithmetic number, because the mean of its divisors is an integer number (1187114250).

Almost surely, 2^26663224540 is an apocalyptic number.

26663224540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26663224540 is an abundant number, since it is smaller than the sum of its proper divisors (30318259460).

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

26663224540 is a wasteful number, since it uses less digits than its factorization.

26663224540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814 (or 15812 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 26663224540 in words is "twenty-six billion, six hundred sixty-three million, two hundred twenty-four thousand, five hundred forty".