420044223546 has 96 divisors (see below), whose sum is σ = 969747292800. Its totient is φ = 130943293440.

The previous prime is 420044223527. The next prime is 420044223589. The reversal of 420044223546 is 645322440024.

420044223546 is a `hidden beast` number, since 4 + 200 + 442 + 2 + 3 + 5 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 420044223546.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111682306 + ... + 111686066.

It is an arithmetic number, because the mean of its divisors is an integer number (10101534300).

Almost surely, 2^420044223546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420044223546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484873646400).

420044223546 is an abundant number, since it is smaller than the sum of its proper divisors (549703069254).

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

420044223546 is a wasteful number, since it uses less digits than its factorization.

420044223546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004 (or 6001 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 420044223546 in words is "four hundred twenty billion, forty-four million, two hundred twenty-three thousand, five hundred forty-six".