5421685540 has 12 divisors (see below), whose sum is σ = 11385539676. Its totient is φ = 2168674208.

The previous prime is 5421685523. The next prime is 5421685583. The reversal of 5421685540 is 455861245.

It can be written as a sum of positive squares in 2 ways, for example, as 892933924 + 4528751616 = 29882^2 + 67296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5421685493 and 5421685502.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 135542119 + ... + 135542158.

It is an arithmetic number, because the mean of its divisors is an integer number (948794973).

Almost surely, 2^5421685540 is an apocalyptic number.

It is an amenable number.

5421685540 is an abundant number, since it is smaller than the sum of its proper divisors (5963854136).

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

5421685540 is a wasteful number, since it uses less digits than its factorization.

5421685540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271084286 (or 271084284 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 5421685540 is about 73632.0958550006. The cubic root of 5421685540 is about 1756.7559841302.

The spelling of 5421685540 in words is "five billion, four hundred twenty-one million, six hundred eighty-five thousand, five hundred forty".