3204214023440 has 40 divisors (see below), whose sum is σ = 7494407202240. Its totient is φ = 1274010839936.

The previous prime is 3204214023401. The next prime is 3204214023449. The reversal of 3204214023440 is 443204124023.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3204214023449) 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, 119904830 + ... + 119931549.

It is an arithmetic number, because the mean of its divisors is an integer number (187360180056).

Almost surely, 2^{3204214023440} is an apocalyptic number.

It is an amenable number.

3204214023440 is an abundant number, since it is smaller than the sum of its proper divisors (4290193178800).

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

3204214023440 is a wasteful number, since it uses less digits than its factorization.

3204214023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239836559 (or 239836553 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 3204214023440 its reverse (443204124023), we get a palindrome (3647418147463).

The spelling of 3204214023440 in words is "three trillion, two hundred four billion, two hundred fourteen million, twenty-three thousand, four hundred forty".