464644242220 has 12 divisors (see below), whose sum is σ = 975752908704. Its totient is φ = 185857696880.

The previous prime is 464644242197. The next prime is 464644242253. The reversal of 464644242220 is 22242446464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11616106036 + ... + 11616106075.

It is an arithmetic number, because the mean of its divisors is an integer number (81312742392).

Almost surely, 2^464644242220 is an apocalyptic number.

It is an amenable number.

464644242220 is an abundant number, since it is smaller than the sum of its proper divisors (511108666484).

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

464644242220 is a wasteful number, since it uses less digits than its factorization.

464644242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232212120 (or 23232212118 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 464644242220 its reverse (22242446464), we get a palindrome (486886688684).

The spelling of 464644242220 in words is "four hundred sixty-four billion, six hundred forty-four million, two hundred forty-two thousand, two hundred twenty".