4561381044 has 216 divisors, whose sum is σ = 13859000064. Its totient is φ = 1258329600.

The previous prime is 4561381043. The next prime is 4561381051. The reversal of 4561381044 is 4401831654.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561381043) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2294619 + ... + 2296605.

Almost surely, 2^4561381044 is an apocalyptic number.

4561381044 is a gapful number since it is divisible by the number (44) 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 4561381044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6929500032).

4561381044 is an abundant number, since it is smaller than the sum of its proper divisors (9297619020).

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

4561381044 is a wasteful number, since it uses less digits than its factorization.

4561381044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067 (or 2051 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4561381044 is about 67537.9970387041. The cubic root of 4561381044 is about 1658.4362595331.

The spelling of 4561381044 in words is "four billion, five hundred sixty-one million, three hundred eighty-one thousand, forty-four".