4541640420 has 48 divisors (see below), whose sum is σ = 12809438208. Its totient is φ = 1202261760.

The previous prime is 4541640413. The next prime is 4541640451. The reversal of 4541640420 is 240461454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268036 + ... + 284475.

It is an arithmetic number, because the mean of its divisors is an integer number (266863296).

Almost surely, 2^4541640420 is an apocalyptic number.

It is an amenable number.

4541640420 is an abundant number, since it is smaller than the sum of its proper divisors (8267797788).

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

4541640420 is a wasteful number, since it uses less digits than its factorization.

4541640420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552660 (or 552658 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 4541640420 is about 67391.6939985930. The cubic root of 4541640420 is about 1656.0403543925.

The spelling of 4541640420 in words is "four billion, five hundred forty-one million, six hundred forty thousand, four hundred twenty".