26649007488 has 48 divisors (see below), whose sum is σ = 76685298300. Its totient is φ = 8883002112.

The previous prime is 26649007453. The next prime is 26649007507. The reversal of 26649007488 is 88470094662.

26649007488 is a `hidden beast` number, since 2 + 6 + 6 + 490 + 0 + 74 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11565258 + ... + 11567561.

Almost surely, 2^26649007488 is an apocalyptic number.

It is an amenable number.

26649007488 is an abundant number, since it is smaller than the sum of its proper divisors (50036290812).

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

26649007488 is a wasteful number, since it uses less digits than its factorization.

26649007488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132839 (or 23132824 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 26649007488 in words is "twenty-six billion, six hundred forty-nine million, seven thousand, four hundred eighty-eight".