44497945755648 has 1380 divisors, whose sum is σ = 169403019418512. Its totient is φ = 11557907988480.

The previous prime is 44497945755611. The next prime is 44497945755671. The reversal of 44497945755648 is 84655754979444.

44497945755648 is a `hidden beast` number, since 4 + 4 + 4 + 9 + 7 + 9 + 4 + 57 + 556 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

Its product of digits (24385536000) is a multiple of the sum of its prime factors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4045267795963 + ... + 4045267795973.

Almost surely, 2^{44497945755648} is an apocalyptic number.

44497945755648 is a gapful number since it is divisible by the number (48) 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 44497945755648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84701509709256).

44497945755648 is an abundant number, since it is smaller than the sum of its proper divisors (124905073662864).

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

44497945755648 is an frugal number, since it uses more digits than its factorization.

44497945755648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 23 counting only the distinct ones).

The product of its digits is 24385536000, while the sum is 81.

The spelling of 44497945755648 in words is "forty-four trillion, four hundred ninety-seven billion, nine hundred forty-five million, seven hundred fifty-five thousand, six hundred forty-eight".