5219167540 has 12 divisors (see below), whose sum is σ = 10960251876. Its totient is φ = 2087667008.

The previous prime is 5219167531. The next prime is 5219167543. The reversal of 5219167540 is 457619125.

It can be written as a sum of positive squares in 2 ways, for example, as 1805570064 + 3413597476 = 42492^2 + 58426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5219167493 and 5219167502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5219167543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130479169 + ... + 130479208.

It is an arithmetic number, because the mean of its divisors is an integer number (913354323).

Almost surely, 2^5219167540 is an apocalyptic number.

It is an amenable number.

5219167540 is an abundant number, since it is smaller than the sum of its proper divisors (5741084336).

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

5219167540 is a wasteful number, since it uses less digits than its factorization.

5219167540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260958386 (or 260958384 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 5219167540 is about 72243.8062397047. The cubic root of 5219167540 is about 1734.6042765324.

The spelling of 5219167540 in words is "five billion, two hundred nineteen million, one hundred sixty-seven thousand, five hundred forty".