43200040420 has 24 divisors (see below), whose sum is σ = 93171980664. Its totient is φ = 16812988416.

The previous prime is 43200040417. The next prime is 43200040451. The reversal of 43200040420 is 2404000234.

43200040420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2179209124 + 41020831296 = 46682^2 + 202536^2 .

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, 29188477 + ... + 29189956.

It is an arithmetic number, because the mean of its divisors is an integer number (3882165861).

Almost surely, 2^43200040420 is an apocalyptic number.

It is an amenable number.

43200040420 is an abundant number, since it is smaller than the sum of its proper divisors (49971940244).

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

43200040420 is a wasteful number, since it uses less digits than its factorization.

43200040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58378479 (or 58378477 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 43200040420 its reverse (2404000234), we get a palindrome (45604040654).

The spelling of 43200040420 in words is "forty-three billion, two hundred million, forty thousand, four hundred twenty".