427645033224 has 128 divisors (see below), whose sum is σ = 1135066262400. Its totient is φ = 134025615360.

The previous prime is 427645033219. The next prime is 427645033271. The reversal of 427645033224 is 422330546724.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15595494 + ... + 15622890.

It is an arithmetic number, because the mean of its divisors is an integer number (8867705175).

Almost surely, 2^427645033224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427645033224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567533131200).

427645033224 is an abundant number, since it is smaller than the sum of its proper divisors (707421229176).

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

427645033224 is a wasteful number, since it uses less digits than its factorization.

427645033224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28023 (or 28019 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 42.

Adding to 427645033224 its reverse (422330546724), we get a palindrome (849975579948).

The spelling of 427645033224 in words is "four hundred twenty-seven billion, six hundred forty-five million, thirty-three thousand, two hundred twenty-four".