426545563565652 has 48 divisors (see below), whose sum is σ = 998532581743872. Its totient is φ = 141716269992960.

The previous prime is 426545563565647. The next prime is 426545563565689. The reversal of 426545563565652 is 256565365545624.

It is a super-2 number, since 2×426545563565652² (a number of 30 digits) contains 22 as substring.

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, 42518652 + ... + 51584172.

It is an arithmetic number, because the mean of its divisors is an integer number (20802762119664).

Almost surely, 2^{426545563565652} is an apocalyptic number.

It is an amenable number.

426545563565652 is an abundant number, since it is smaller than the sum of its proper divisors (571987018178220).

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

426545563565652 is a wasteful number, since it uses less digits than its factorization.

426545563565652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078368 (or 9078366 counting only the distinct ones).

The product of its digits is 3888000000, while the sum is 69.

The spelling of 426545563565652 in words is "four hundred twenty-six trillion, five hundred forty-five billion, five hundred sixty-three million, five hundred sixty-five thousand, six hundred fifty-two".