44773151920 has 160 divisors (see below), whose sum is σ = 125618388480. Its totient is φ = 14497781760.

The previous prime is 44773151911. The next prime is 44773151921. The reversal of 44773151920 is 2915137744.

It is not an unprimeable number, because it can be changed into a prime (44773151921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3515484 + ... + 3528196.

It is an arithmetic number, because the mean of its divisors is an integer number (785114928).

Almost surely, 2^44773151920 is an apocalyptic number.

44773151920 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 44773151920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62809194240).

44773151920 is an abundant number, since it is smaller than the sum of its proper divisors (80845236560).

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

44773151920 is a wasteful number, since it uses less digits than its factorization.

44773151920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13083 (or 13077 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 44773151920 in words is "forty-four billion, seven hundred seventy-three million, one hundred fifty-one thousand, nine hundred twenty".