426207202785 has 64 divisors (see below), whose sum is σ = 932555957760. Its totient is φ = 179850067200.

The previous prime is 426207202753. The next prime is 426207202801. The reversal of 426207202785 is 587202702624.

It is not a de Polignac number, because 426207202785 - 2⁵ = 426207202753 is a prime.

It is a super-2 number, since 2×426207202785² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 426207202785.

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, 17334366 + ... + 17358935.

It is an arithmetic number, because the mean of its divisors is an integer number (14571186840).

Almost surely, 2^426207202785 is an apocalyptic number.

426207202785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426207202785 is an abundant number, since it is smaller than the sum of its proper divisors (506348754975).

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

426207202785 is a wasteful number, since it uses less digits than its factorization.

426207202785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34693335 (or 34693329 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 426207202785 in words is "four hundred twenty-six billion, two hundred seven million, two hundred two thousand, seven hundred eighty-five".