44454654720 has 432 divisors, whose sum is σ = 181461676032. Its totient is φ = 9832734720.

The previous prime is 44454654619. The next prime is 44454654733. The reversal of 44454654720 is 2745645444.

It is a happy number.

44454654720 is a `hidden beast` number, since 4 + 4 + 45 + 46 + 547 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 2490949 + ... + 2508731.

It is an arithmetic number, because the mean of its divisors is an integer number (420050176).

Almost surely, 2^44454654720 is an apocalyptic number.

44454654720 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 44454654720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90730838016).

44454654720 is an abundant number, since it is smaller than the sum of its proper divisors (137007021312).

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

44454654720 is a wasteful number, since it uses less digits than its factorization.

44454654720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17848 (or 17831 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 45.

The spelling of 44454654720 in words is "forty-four billion, four hundred fifty-four million, six hundred fifty-four thousand, seven hundred twenty".