26493563470 has 144 divisors (see below), whose sum is σ = 56091994560. Its totient is φ = 9000893440.

The previous prime is 26493563443. The next prime is 26493563543. The reversal of 26493563470 is 7436539462.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 83575752 + ... + 83576068.

It is an arithmetic number, because the mean of its divisors is an integer number (389527740).

Almost surely, 2^26493563470 is an apocalyptic number.

26493563470 is an abundant number, since it is smaller than the sum of its proper divisors (29598431090).

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

26493563470 is a wasteful number, since it uses less digits than its factorization.

26493563470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 26493563470 in words is "twenty-six billion, four hundred ninety-three million, five hundred sixty-three thousand, four hundred seventy".