4034400420 has 24 divisors (see below), whose sum is σ = 11296321344. Its totient is φ = 1075840096.

The previous prime is 4034400389. The next prime is 4034400427. The reversal of 4034400420 is 240044304.

It is not an unprimeable number, because it can be changed into a prime (4034400427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33619944 + ... + 33620063.

It is an arithmetic number, because the mean of its divisors is an integer number (470680056).

Almost surely, 2^4034400420 is an apocalyptic number.

It is an amenable number.

4034400420 is an abundant number, since it is smaller than the sum of its proper divisors (7261920924).

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

4034400420 is a wasteful number, since it uses less digits than its factorization.

4034400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67240019 (or 67240017 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4034400420 is about 63516.9301840068. The cubic root of 4034400420 is about 1591.9386739548.

Adding to 4034400420 its reverse (240044304), we get a palindrome (4274444724).

The spelling of 4034400420 in words is "four billion, thirty-four million, four hundred thousand, four hundred twenty".