340000404040 has 64 divisors (see below), whose sum is σ = 835158418560. Its totient is φ = 123545848320.

The previous prime is 340000404031. The next prime is 340000404041. The reversal of 340000404040 is 40404000043.

340000404040 is a modest number, since divided by 404040 gives 340000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 340000403999 and 340000404017.

It is not an unprimeable number, because it can be changed into a prime (340000404041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318844 + ... + 884116.

It is an arithmetic number, because the mean of its divisors is an integer number (13049350290).

Almost surely, 2^340000404040 is an apocalyptic number.

It is an amenable number.

340000404040 is an abundant number, since it is smaller than the sum of its proper divisors (495158014520).

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

340000404040 is a wasteful number, since it uses less digits than its factorization.

340000404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566662 (or 566658 counting only the distinct ones).

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

Adding to 340000404040 its reverse (40404000043), we get a palindrome (380404404083).

The spelling of 340000404040 in words is "three hundred forty billion, four hundred four thousand, forty".