426546426556506 has 64 divisors (see below), whose sum is σ = 858101345740800. Its totient is φ = 141350378400000.

The previous prime is 426546426556499. The next prime is 426546426556517. The reversal of 426546426556506 is 605655624645624.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144133631 + ... + 1144506381.

It is an arithmetic number, because the mean of its divisors is an integer number (13407833527200).

Almost surely, 2^{426546426556506} is an apocalyptic number.

426546426556506 is an abundant number, since it is smaller than the sum of its proper divisors (431554919184294).

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

426546426556506 is a wasteful number, since it uses less digits than its factorization.

426546426556506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374755.

The product of its (nonzero) digits is 1244160000, while the sum is 66.

The spelling of 426546426556506 in words is "four hundred twenty-six trillion, five hundred forty-six billion, four hundred twenty-six million, five hundred fifty-six thousand, five hundred six".