46444420 has 48 divisors (see below), whose sum is σ = 107448768. Its totient is φ = 16722560.

The previous prime is 46444381. The next prime is 46444421. The reversal of 46444420 is 2444464.

It is not an unprimeable number, because it can be changed into a prime (46444421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22554 + ... + 24526.

It is an arithmetic number, because the mean of its divisors is an integer number (2238516).

Almost surely, 2^46444420 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 46444420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53724384).

46444420 is an abundant number, since it is smaller than the sum of its proper divisors (61004348).

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

46444420 is a wasteful number, since it uses less digits than its factorization.

46444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 46444420 is about 6815.0143066614. The cubic root of 46444420 is about 359.4549880680.

Adding to 46444420 its reverse (2444464), we get a palindrome (48888884).

It can be divided in two parts, 464444 and 20, that added together give a palindrome (464464).

The spelling of 46444420 in words is "forty-six million, four hundred forty-four thousand, four hundred twenty".