26421107258352 has 20 divisors (see below), whose sum is σ = 68254527084200. Its totient is φ = 8807035752768.

The previous prime is 26421107258347. The next prime is 26421107258387. The reversal of 26421107258352 is 25385270112462.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 550439734549 = 26421107258352 / (2 + 6 + 4 + 2 + 1 + 1 + 0 + 7 + 2 + 5 + 8 + 3 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275219867227 + ... + 275219867322.

It is an arithmetic number, because the mean of its divisors is an integer number (3412726354210).

Almost surely, 2^{26421107258352} is an apocalyptic number.

It is an amenable number.

26421107258352 is an abundant number, since it is smaller than the sum of its proper divisors (41833419825848).

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

26421107258352 is a wasteful number, since it uses less digits than its factorization.

26421107258352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550439734560 (or 550439734554 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 26421107258352 in words is "twenty-six trillion, four hundred twenty-one billion, one hundred seven million, two hundred fifty-eight thousand, three hundred fifty-two".