3478040320 has 36 divisors (see below), whose sum is σ = 8330996520. Its totient is φ = 1391215616.

The previous prime is 3478040309. The next prime is 3478040323. The reversal of 3478040320 is 230408743.

It is a happy number.

3478040320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478040323) 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, 1357330 + ... + 1359889.

It is an arithmetic number, because the mean of its divisors is an integer number (231416570).

Almost surely, 2^3478040320 is an apocalyptic number.

It is an amenable number.

3478040320 is an abundant number, since it is smaller than the sum of its proper divisors (4852956200).

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

3478040320 is an equidigital number, since it uses as much as digits as its factorization.

3478040320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717240 (or 2717226 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 3478040320 is about 58974.9126324067. The cubic root of 3478040320 is about 1515.1124635585.

The spelling of 3478040320 in words is "three billion, four hundred seventy-eight million, forty thousand, three hundred twenty".