4320205040 has 40 divisors (see below), whose sum is σ = 10054796928. Its totient is φ = 1726306560.

The previous prime is 4320204983. The next prime is 4320205061. The reversal of 4320205040 is 405020234.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 52034 + ... + 106526.

Almost surely, 2^4320205040 is an apocalyptic number.

4320205040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4320205040 is an abundant number, since it is smaller than the sum of its proper divisors (5734591888).

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

4320205040 is a wasteful number, since it uses less digits than its factorization.

4320205040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55497 (or 55491 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4320205040 is about 65728.2666742399. The cubic root of 4320205040 is about 1628.6763364099.

Adding to 4320205040 its reverse (405020234), we get a palindrome (4725225274).

The spelling of 4320205040 in words is "four billion, three hundred twenty million, two hundred five thousand, forty".