44401212 has 36 divisors (see below), whose sum is σ = 118840176. Its totient is φ = 13929600.

The previous prime is 44401211. The next prime is 44401213. The reversal of 44401212 is 21210444.

It is an interprime number because it is at equal distance from previous prime (44401211) and next prime (44401213).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44401211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35664 + ... + 36887.

It is an arithmetic number, because the mean of its divisors is an integer number (3301116).

Almost surely, 2^44401212 is an apocalyptic number.

It is an amenable number.

44401212 is an abundant number, since it is smaller than the sum of its proper divisors (74438964).

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

44401212 is a wasteful number, since it uses less digits than its factorization.

44401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72578 (or 72573 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44401212 is about 6663.4234444466. The cubic root of 44401212 is about 354.1046324814.

Adding to 44401212 its reverse (21210444), we get a palindrome (65611656).

The spelling of 44401212 in words is "forty-four million, four hundred one thousand, two hundred twelve".