44728388730 has 160 divisors (see below), whose sum is σ = 127886584320. Its totient is φ = 11178155520.

The previous prime is 44728388723. The next prime is 44728388767. The reversal of 44728388730 is 3788382744.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3284235 + ... + 3297825.

It is an arithmetic number, because the mean of its divisors is an integer number (799291152).

Almost surely, 2^44728388730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44728388730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63943292160).

44728388730 is an abundant number, since it is smaller than the sum of its proper divisors (83158195590).

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

44728388730 is a wasteful number, since it uses less digits than its factorization.

44728388730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866 (or 13857 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 44728388730 in words is "forty-four billion, seven hundred twenty-eight million, three hundred eighty-eight thousand, seven hundred thirty".