44661212321000 has 192 divisors, whose sum is σ = 115148151218880. Its totient is φ = 16079604000000.

The previous prime is 44661212320979. The next prime is 44661212321119. The reversal of 44661212321000 is 12321216644.

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, 112011995 + ... + 112410005.

It is an arithmetic number, because the mean of its divisors is an integer number (599729954265).

Almost surely, 2^{44661212321000} is an apocalyptic number.

44661212321000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44661212321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57574075609440).

44661212321000 is an abundant number, since it is smaller than the sum of its proper divisors (70486938897880).

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

44661212321000 is a wasteful number, since it uses less digits than its factorization.

44661212321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398245 (or 398130 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 44661212321000 its reverse (12321216644), we get a palindrome (44673533537644).

The spelling of 44661212321000 in words is "forty-four trillion, six hundred sixty-one billion, two hundred twelve million, three hundred twenty-one thousand".