426565198080 has 1152 divisors, whose sum is σ = 1864159395840. Its totient is φ = 90216529920.

The previous prime is 426565198063. The next prime is 426565198099. The reversal of 426565198080 is 80891565624.

426565198080 is a `hidden beast` number, since 42 + 6 + 5 + 6 + 519 + 8 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 172487724 + ... + 172490196.

It is an arithmetic number, because the mean of its divisors is an integer number (1618193920).

Almost surely, 2^426565198080 is an apocalyptic number.

426565198080 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 426565198080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932079697920).

426565198080 is an abundant number, since it is smaller than the sum of its proper divisors (1437594197760).

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

426565198080 is a wasteful number, since it uses less digits than its factorization.

426565198080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 426565198080 in words is "four hundred twenty-six billion, five hundred sixty-five million, one hundred ninety-eight thousand, eighty".