26404622042420 has 48 divisors (see below), whose sum is σ = 55492823010240. Its totient is φ = 10553638712064.

The previous prime is 26404622042401. The next prime is 26404622042443. The reversal of 26404622042420 is 2424022640462.

It is a congruent number.

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, 168936347 + ... + 169092573.

It is an arithmetic number, because the mean of its divisors is an integer number (1156100479380).

Almost surely, 2^{26404622042420} is an apocalyptic number.

26404622042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26404622042420 is an abundant number, since it is smaller than the sum of its proper divisors (29088200967820).

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

26404622042420 is a wasteful number, since it uses less digits than its factorization.

26404622042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162752 (or 162750 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 26404622042420 its reverse (2424022640462), we get a palindrome (28828644682882).

The spelling of 26404622042420 in words is "twenty-six trillion, four hundred four billion, six hundred twenty-two million, forty-two thousand, four hundred twenty".