5640005148 has 12 divisors (see below), whose sum is σ = 13160012040. Its totient is φ = 1880001712.

The previous prime is 5640005131. The next prime is 5640005149. The reversal of 5640005148 is 8415000465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640005149) 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, 235000203 + ... + 235000226.

It is an arithmetic number, because the mean of its divisors is an integer number (1096667670).

Almost surely, 2^5640005148 is an apocalyptic number.

It is an amenable number.

5640005148 is an abundant number, since it is smaller than the sum of its proper divisors (7520006892).

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

5640005148 is a wasteful number, since it uses less digits than its factorization.

5640005148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470000436 (or 470000434 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 5640005148 is about 75099.9676963978. The cubic root of 5640005148 is about 1780.0266321816.

The spelling of 5640005148 in words is "five billion, six hundred forty million, five thousand, one hundred forty-eight".