5205040 has 20 divisors (see below), whose sum is σ = 12101904. Its totient is φ = 2081984.

The previous prime is 5205037. The next prime is 5205047. The reversal of 5205040 is 405025.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (5205047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32452 + ... + 32611.

Almost surely, 2^5205040 is an apocalyptic number.

It is an amenable number.

5205040 is an abundant number, since it is smaller than the sum of its proper divisors (6896864).

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

5205040 is a wasteful number, since it uses less digits than its factorization.

5205040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65076 (or 65070 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 5205040 is about 2281.4556756597. The cubic root of 5205040 is about 173.3037753675.

The spelling of 5205040 in words is "five million, two hundred five thousand, forty".