26146504134320 has 80 divisors (see below), whose sum is σ = 64367513965440. Its totient is φ = 9843241009152.

The previous prime is 26146504134293. The next prime is 26146504134367. The reversal of 26146504134320 is 2343140564162.

It is a tau number, because it is divible by the number of its divisors (80).

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, 138452921 + ... + 138641639.

It is an arithmetic number, because the mean of its divisors is an integer number (804593924568).

Almost surely, 2^{26146504134320} is an apocalyptic number.

26146504134320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26146504134320 is an abundant number, since it is smaller than the sum of its proper divisors (38221009831120).

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

26146504134320 is a wasteful number, since it uses less digits than its factorization.

26146504134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290622 (or 290616 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 26146504134320 its reverse (2343140564162), we get a palindrome (28489644698482).

The spelling of 26146504134320 in words is "twenty-six trillion, one hundred forty-six billion, five hundred four million, one hundred thirty-four thousand, three hundred twenty".