44781120 has 224 divisors, whose sum is σ = 162397440. Its totient is φ = 11612160.

The previous prime is 44781101. The next prime is 44781127. The reversal of 44781120 is 2118744.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44781127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613404 + ... + 613476.

Almost surely, 2^44781120 is an apocalyptic number.

44781120 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 44781120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81198720).

44781120 is an abundant number, since it is smaller than the sum of its proper divisors (117616320).

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

44781120 is a wasteful number, since it uses less digits than its factorization.

44781120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 44781120 is about 6691.8696938897. The cubic root of 44781120 is about 355.1117019381. Note that the first 3 decimals are identical.

Adding to 44781120 its reverse (2118744), we get a palindrome (46899864).

The spelling of 44781120 in words is "forty-four million, seven hundred eighty-one thousand, one hundred twenty".