44621212140 has 144 divisors (see below), whose sum is σ = 140786021376. Its totient is φ = 11427062400.

The previous prime is 44621212121. The next prime is 44621212183. The reversal of 44621212140 is 4121212644.

44621212140 is a `hidden beast` number, since 4 + 4 + 621 + 21 + 2 + 14 + 0 = 666.

44621212140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 700459 + ... + 761501.

It is an arithmetic number, because the mean of its divisors is an integer number (977680704).

Almost surely, 2^44621212140 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 44621212140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70393010688).

44621212140 is an abundant number, since it is smaller than the sum of its proper divisors (96164809236).

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

44621212140 is a wasteful number, since it uses less digits than its factorization.

44621212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61220 (or 61215 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 44621212140 its reverse (4121212644), we get a palindrome (48742424784).

The spelling of 44621212140 in words is "forty-four billion, six hundred twenty-one million, two hundred twelve thousand, one hundred forty".