46442464420 has 72 divisors (see below), whose sum is σ = 107264070144. Its totient is φ = 16878312000.

The previous prime is 46442464357. The next prime is 46442464451. The reversal of 46442464420 is 2446424464.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5104075 + ... + 5113165.

It is an arithmetic number, because the mean of its divisors is an integer number (1489778752).

Almost surely, 2^46442464420 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 46442464420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53632035072).

46442464420 is an abundant number, since it is smaller than the sum of its proper divisors (60821605724).

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

46442464420 is a wasteful number, since it uses less digits than its factorization.

46442464420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233 (or 11220 counting only the distinct ones).

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

Adding to 46442464420 its reverse (2446424464), we get a palindrome (48888888884).

The spelling of 46442464420 in words is "forty-six billion, four hundred forty-two million, four hundred sixty-four thousand, four hundred twenty".