5661044376 has 96 divisors (see below), whose sum is σ = 16131816000. Its totient is φ = 1650160512.

The previous prime is 5661044371. The next prime is 5661044377. The reversal of 5661044376 is 6734401665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661044371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40335 + ... + 113793.

It is an arithmetic number, because the mean of its divisors is an integer number (168039750).

Almost surely, 2^5661044376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5661044376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8065908000).

5661044376 is an abundant number, since it is smaller than the sum of its proper divisors (10470771624).

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

5661044376 is a wasteful number, since it uses less digits than its factorization.

5661044376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73513 (or 73496 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 5661044376 is about 75239.9121211608. The cubic root of 5661044376 is about 1782.2372634185.

The spelling of 5661044376 in words is "five billion, six hundred sixty-one million, forty-four thousand, three hundred seventy-six".