44621313563464 has 128 divisors (see below), whose sum is σ = 97242689617920. Its totient is φ = 18970288768000.

The previous prime is 44621313563429. The next prime is 44621313563479. The reversal of 44621313563464 is 46436531312644.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111982169 + ... + 1112022295.

It is an arithmetic number, because the mean of its divisors is an integer number (759708512640).

Almost surely, 2^{44621313563464} is an apocalyptic number.

44621313563464 is a gapful number since it is divisible by the number (44) 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 44621313563464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48621344808960).

44621313563464 is an abundant number, since it is smaller than the sum of its proper divisors (52621376054456).

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

44621313563464 is a wasteful number, since it uses less digits than its factorization.

44621313563464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44779 (or 44775 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 52.

The spelling of 44621313563464 in words is "forty-four trillion, six hundred twenty-one billion, three hundred thirteen million, five hundred sixty-three thousand, four hundred sixty-four".