26354640048 has 160 divisors (see below), whose sum is σ = 78815669760. Its totient is φ = 7499796480.

The previous prime is 26354640043. The next prime is 26354640083. The reversal of 26354640048 is 84004645362.

It is a junction number, because it is equal to n+sod(n) for n = 26354639991 and 26354640009.

It is not an unprimeable number, because it can be changed into a prime (26354640041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4368298 + ... + 4374326.

It is an arithmetic number, because the mean of its divisors is an integer number (492597936).

Almost surely, 2^26354640048 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 26354640048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39407834880).

26354640048 is an abundant number, since it is smaller than the sum of its proper divisors (52461029712).

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

26354640048 is a wasteful number, since it uses less digits than its factorization.

26354640048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6549 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 26354640048 in words is "twenty-six billion, three hundred fifty-four million, six hundred forty thousand, forty-eight".