426521205106554 has 32 divisors (see below), whose sum is σ = 858969434566656. Its totient is φ = 141188433813680.

The previous prime is 426521205106523. The next prime is 426521205106597. The reversal of 426521205106554 is 455601502125624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316348212 + ... + 317693615.

It is an arithmetic number, because the mean of its divisors is an integer number (26842794830208).

Almost surely, 2^{426521205106554} is an apocalyptic number.

426521205106554 is an abundant number, since it is smaller than the sum of its proper divisors (432448229460102).

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

426521205106554 is a wasteful number, since it uses less digits than its factorization.

426521205106554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634042610.

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 426521205106554 in words is "four hundred twenty-six trillion, five hundred twenty-one billion, two hundred five million, one hundred six thousand, five hundred fifty-four".