340400004 has 48 divisors (see below), whose sum is σ = 912844800. Its totient is φ = 96709536.

The previous prime is 340399981. The next prime is 340400017. The reversal of 340400004 is 400004043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (19017600).

Almost surely, 2^340400004 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 340400004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456422400).

340400004 is an abundant number, since it is smaller than the sum of its proper divisors (572444796).

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

340400004 is a wasteful number, since it uses less digits than its factorization.

340400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22832 (or 22830 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 340400004 is about 18449.9323575996. The cubic root of 340400004 is about 698.2268072989.

Adding to 340400004 its reverse (400004043), we get a palindrome (740404047).

The spelling of 340400004 in words is "three hundred forty million, four hundred thousand, four".