4542487620 has 144 divisors (see below), whose sum is σ = 14032032000. Its totient is φ = 1097141760.

The previous prime is 4542487553. The next prime is 4542487627. The reversal of 4542487620 is 267842454.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4542487627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2271381 + ... + 2273379.

Almost surely, 2^4542487620 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 4542487620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7016016000).

4542487620 is an abundant number, since it is smaller than the sum of its proper divisors (9489544380).

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

4542487620 is a wasteful number, since it uses less digits than its factorization.

4542487620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 4542487620 is about 67397.9793465650. The cubic root of 4542487620 is about 1656.1433208707.

The spelling of 4542487620 in words is "four billion, five hundred forty-two million, four hundred eighty-seven thousand, six hundred twenty".