426818885760 has 448 divisors, whose sum is σ = 1619867053080. Its totient is φ = 107121180672.

The previous prime is 426818885677. The next prime is 426818885767. The reversal of 426818885760 is 67588818624.

426818885760 is a `hidden beast` number, since 42 + 6 + 8 + 18 + 8 + 8 + 576 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 393189194304 + 33629691456 = 627048^2 + 183384^2 .

It is a super-2 number, since 2×426818885760² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426818885767) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7904614 + ... + 7958426.

Almost surely, 2^426818885760 is an apocalyptic number.

426818885760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426818885760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809933526540).

426818885760 is an abundant number, since it is smaller than the sum of its proper divisors (1193048167320).

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

426818885760 is an equidigital number, since it uses as much as digits as its factorization.

426818885760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53867 (or 53840 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 63.

The spelling of 426818885760 in words is "four hundred twenty-six billion, eight hundred eighteen million, eight hundred eighty-five thousand, seven hundred sixty".