4142720538500 has 24 divisors (see below), whose sum is σ = 9047701657176. Its totient is φ = 1657088215200.

The previous prime is 4142720538491. The next prime is 4142720538521. The reversal of 4142720538500 is 58350272414.

It can be written as a sum of positive squares in 4 ways, for example, as 14338625536 + 4128381912964 = 119744^2 + 2031842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4142720039 + ... + 4142721038.

It is an arithmetic number, because the mean of its divisors is an integer number (376987569049).

Almost surely, 2^{4142720538500} is an apocalyptic number.

It is an amenable number.

4142720538500 is an abundant number, since it is smaller than the sum of its proper divisors (4904981118676).

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

4142720538500 is a wasteful number, since it uses less digits than its factorization.

4142720538500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285441096 (or 8285441084 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 4142720538500 in words is "four trillion, one hundred forty-two billion, seven hundred twenty million, five hundred thirty-eight thousand, five hundred".