26421002470416 has 80 divisors (see below), whose sum is σ = 70632750196800. Its totient is φ = 8500312579584.

The previous prime is 26421002470403. The next prime is 26421002470507. The reversal of 26421002470416 is 61407420012462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603915 + ... + 7294293.

It is an arithmetic number, because the mean of its divisors is an integer number (882909377460).

Almost surely, 2^{26421002470416} 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 26421002470416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35316375098400).

26421002470416 is an abundant number, since it is smaller than the sum of its proper divisors (44211747726384).

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

26421002470416 is a wasteful number, since it uses less digits than its factorization.

26421002470416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693256 (or 6693250 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

Adding to 26421002470416 its reverse (61407420012462), we get a palindrome (87828422482878).

The spelling of 26421002470416 in words is "twenty-six trillion, four hundred twenty-one billion, two million, four hundred seventy thousand, four hundred sixteen".