4550515540 has 24 divisors (see below), whose sum is σ = 9558589320. Its totient is φ = 1819728768.

The previous prime is 4550515441. The next prime is 4550515547. The reversal of 4550515540 is 455150554.

It can be written as a sum of positive squares in 4 ways, for example, as 17994564 + 4532520976 = 4242^2 + 67324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4550515496 and 4550515505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550515547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54066 + ... + 109654.

It is an arithmetic number, because the mean of its divisors is an integer number (398274555).

Almost surely, 2^4550515540 is an apocalyptic number.

It is an amenable number.

4550515540 is an abundant number, since it is smaller than the sum of its proper divisors (5008073780).

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

4550515540 is a wasteful number, since it uses less digits than its factorization.

4550515540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59691 (or 59689 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 4550515540 is about 67457.5091446460. The cubic root of 4550515540 is about 1657.1183784887.

The spelling of 4550515540 in words is "four billion, five hundred fifty million, five hundred fifteen thousand, five hundred forty".