5641332780 has 96 divisors (see below), whose sum is σ = 16047315648. Its totient is φ = 1480576000.

The previous prime is 5641332737. The next prime is 5641332833. The reversal of 5641332780 is 872331465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045690 + ... + 1051070.

It is an arithmetic number, because the mean of its divisors is an integer number (167159538).

Almost surely, 2^5641332780 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 5641332780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8023657824).

5641332780 is an abundant number, since it is smaller than the sum of its proper divisors (10405982868).

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

5641332780 is a wasteful number, since it uses less digits than its factorization.

5641332780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 5641332780 is about 75108.8062746307. The cubic root of 5641332780 is about 1780.1662913278.

The spelling of 5641332780 in words is "five billion, six hundred forty-one million, three hundred thirty-two thousand, seven hundred eighty".