5642726220 has 48 divisors (see below), whose sum is σ = 17555149920. Its totient is φ = 1504726848.

The previous prime is 5642726149. The next prime is 5642726227. The reversal of 5642726220 is 226272465.

5642726220 is a `hidden beast` number, since 5 + 6 + 4 + 27 + 2 + 622 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5642726227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5224207 + ... + 5225286.

It is an arithmetic number, because the mean of its divisors is an integer number (365732290).

Almost surely, 2^5642726220 is an apocalyptic number.

It is an amenable number.

5642726220 is an abundant number, since it is smaller than the sum of its proper divisors (11912423700).

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

5642726220 is a wasteful number, since it uses less digits than its factorization.

5642726220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10449511 (or 10449503 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 5642726220 is about 75118.0818445200. The cubic root of 5642726220 is about 1780.3128495263.

Adding to 5642726220 its reverse (226272465), we get a palindrome (5868998685).

The spelling of 5642726220 in words is "five billion, six hundred forty-two million, seven hundred twenty-six thousand, two hundred twenty".