44388804520 has 128 divisors (see below), whose sum is σ = 105100416000. Its totient is φ = 16850534400.

The previous prime is 44388804451. The next prime is 44388804541. The reversal of 44388804520 is 2540888344.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33961707 + ... + 33963013.

It is an arithmetic number, because the mean of its divisors is an integer number (821097000).

Almost surely, 2^44388804520 is an apocalyptic number.

44388804520 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 44388804520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52550208000).

44388804520 is an abundant number, since it is smaller than the sum of its proper divisors (60711611480).

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

44388804520 is a wasteful number, since it uses less digits than its factorization.

44388804520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 46.

The spelling of 44388804520 in words is "forty-four billion, three hundred eighty-eight million, eight hundred four thousand, five hundred twenty".