5386439540 has 24 divisors (see below), whose sum is σ = 11480354592. Its totient is φ = 2122417440.

The previous prime is 5386439521. The next prime is 5386439551. The reversal of 5386439540 is 459346835.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 2008526 + ... + 2011205.

It is an arithmetic number, because the mean of its divisors is an integer number (478348108).

Almost surely, 2^5386439540 is an apocalyptic number.

It is an amenable number.

5386439540 is an abundant number, since it is smaller than the sum of its proper divisors (6093915052).

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

5386439540 is a wasteful number, since it uses less digits than its factorization.

5386439540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019807 (or 4019805 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 5386439540 is about 73392.3670418116. The cubic root of 5386439540 is about 1752.9408554291.

The spelling of 5386439540 in words is "five billion, three hundred eighty-six million, four hundred thirty-nine thousand, five hundred forty".