44020647646480 has 160 divisors (see below), whose sum is σ = 112472220960000. Its totient is φ = 15958518331392.

The previous prime is 44020647646477. The next prime is 44020647646511. The reversal of 44020647646480 is 8464674602044.

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, 223741 + ... + 9385699.

It is an arithmetic number, because the mean of its divisors is an integer number (702951381000).

Almost surely, 2^{44020647646480} is an apocalyptic number.

44020647646480 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 44020647646480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56236110480000).

44020647646480 is an abundant number, since it is smaller than the sum of its proper divisors (68451573313520).

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

44020647646480 is a wasteful number, since it uses less digits than its factorization.

44020647646480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162129 (or 9162123 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 55.

The spelling of 44020647646480 in words is "forty-four trillion, twenty billion, six hundred forty-seven million, six hundred forty-six thousand, four hundred eighty".