339400040 has 128 divisors (see below), whose sum is σ = 927590400. Its totient is φ = 109175040.

The previous prime is 339400013. The next prime is 339400043. The reversal of 339400040 is 40004933.

It is a junction number, because it is equal to n+sod(n) for n = 339399979 and 339400015.

It is not an unprimeable number, because it can be changed into a prime (339400043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696677 + ... + 697163.

It is an arithmetic number, because the mean of its divisors is an integer number (7246800).

Almost surely, 2^339400040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 339400040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463795200).

339400040 is an abundant number, since it is smaller than the sum of its proper divisors (588190360).

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

339400040 is a wasteful number, since it uses less digits than its factorization.

339400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 339400040 is about 18422.8130316735. The cubic root of 339400040 is about 697.5424296419.

Adding to 339400040 its reverse (40004933), we get a palindrome (379404973).

The spelling of 339400040 in words is "three hundred thirty-nine million, four hundred thousand, forty".