44485612920 has 384 divisors, whose sum is σ = 177073827840. Its totient is φ = 9453957120.

The previous prime is 44485612907. The next prime is 44485612981. The reversal of 44485612920 is 2921658444.

It is a happy number.

44485612920 is a `hidden beast` number, since 4 + 4 + 4 + 8 + 5 + 612 + 9 + 20 = 666.

44485612920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3549465 + ... + 3561975.

It is an arithmetic number, because the mean of its divisors is an integer number (461129760).

Almost surely, 2^44485612920 is an apocalyptic number.

44485612920 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 44485612920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88536913920).

44485612920 is an abundant number, since it is smaller than the sum of its proper divisors (132588214920).

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

44485612920 is a wasteful number, since it uses less digits than its factorization.

44485612920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635 (or 12628 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 44485612920 in words is "forty-four billion, four hundred eighty-five million, six hundred twelve thousand, nine hundred twenty".