426420326064540 has 48 divisors (see below), whose sum is σ = 1226246559283872. Its totient is φ = 110638787302656.

The previous prime is 426420326064521. The next prime is 426420326064553. The reversal of 426420326064540 is 45460623024624.

It is a super-2 number, since 2×426420326064540² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426420326064540.

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, 96040611759 + ... + 96040616198.

It is an arithmetic number, because the mean of its divisors is an integer number (25546803318414).

Almost surely, 2^{426420326064540} is an apocalyptic number.

It is an amenable number.

426420326064540 is an abundant number, since it is smaller than the sum of its proper divisors (799826233219332).

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

426420326064540 is a wasteful number, since it uses less digits than its factorization.

426420326064540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192081228006 (or 192081228004 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 48.

The spelling of 426420326064540 in words is "four hundred twenty-six trillion, four hundred twenty billion, three hundred twenty-six million, sixty-four thousand, five hundred forty".