26420155525446 has 128 divisors (see below), whose sum is σ = 58143726305280. Its totient is φ = 7983738604800.

The previous prime is 26420155525433. The next prime is 26420155525453. The reversal of 26420155525446 is 64452555102462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18664371 + ... + 20029953.

It is an arithmetic number, because the mean of its divisors is an integer number (454247861760).

Almost surely, 2^{26420155525446} is an apocalyptic number.

26420155525446 is an abundant number, since it is smaller than the sum of its proper divisors (31723570779834).

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

26420155525446 is a wasteful number, since it uses less digits than its factorization.

26420155525446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365762.

The product of its (nonzero) digits is 11520000, while the sum is 51.

The spelling of 26420155525446 in words is "twenty-six trillion, four hundred twenty billion, one hundred fifty-five million, five hundred twenty-five thousand, four hundred forty-six".