3421064240 has 40 divisors (see below), whose sum is σ = 8677065168. Its totient is φ = 1244023040.

The previous prime is 3421064239. The next prime is 3421064249. The reversal of 3421064240 is 424601243.

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 (3421064249) 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, 1942907 + ... + 1944666.

Almost surely, 2^3421064240 is an apocalyptic number.

It is an amenable number.

3421064240 is an abundant number, since it is smaller than the sum of its proper divisors (5256000928).

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

3421064240 is a wasteful number, since it uses less digits than its factorization.

3421064240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887597 (or 3887591 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 3421064240 is about 58489.8644211115. The cubic root of 3421064240 is about 1506.7935174826.

Adding to 3421064240 its reverse (424601243), we get a palindrome (3845665483).

The spelling of 3421064240 in words is "three billion, four hundred twenty-one million, sixty-four thousand, two hundred forty".