5641732620 has 240 divisors, whose sum is σ = 18486608448. Its totient is φ = 1438871040.

The previous prime is 5641732549. The next prime is 5641732637. The reversal of 5641732620 is 262371465.

5641732620 is a `hidden beast` number, since 5 + 641 + 7 + 3 + 2 + 6 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3655569 + ... + 3657111.

Almost surely, 2^5641732620 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 5641732620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9243304224).

5641732620 is an abundant number, since it is smaller than the sum of its proper divisors (12844875828).

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

5641732620 is a wasteful number, since it uses less digits than its factorization.

5641732620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 5641732620 is about 75111.4679659504. The cubic root of 5641732620 is about 1780.2083478715.

The spelling of 5641732620 in words is "five billion, six hundred forty-one million, seven hundred thirty-two thousand, six hundred twenty".