26508732432 has 160 divisors (see below), whose sum is σ = 87949037568. Its totient is φ = 6687318528.

The previous prime is 26508732413. The next prime is 26508732449. The reversal of 26508732432 is 23423780562.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31468 + ... + 232395.

Almost surely, 2^26508732432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26508732432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43974518784).

26508732432 is an abundant number, since it is smaller than the sum of its proper divisors (61440305136).

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

26508732432 is a wasteful number, since it uses less digits than its factorization.

26508732432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263917 (or 263911 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 26508732432 in words is "twenty-six billion, five hundred eight million, seven hundred thirty-two thousand, four hundred thirty-two".