3240639462 has 8 divisors (see below), whose sum is σ = 6481278936. Its totient is φ = 1080213152.

The previous prime is 3240639461. The next prime is 3240639499. The reversal of 3240639462 is 2649360423.

It is a sphenic number, since it is the product of 3 distinct primes.

3240639462 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240639462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240639461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270053283 + ... + 270053294.

It is an arithmetic number, because the mean of its divisors is an integer number (810159867).

Almost surely, 2^3240639462 is an apocalyptic number.

3240639462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3240639462 is a wasteful number, since it uses less digits than its factorization.

3240639462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540106582.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 3240639462 is about 56926.6147070068. The cubic root of 3240639462 is about 1479.8245868925.

Adding to 3240639462 its reverse (2649360423), we get a palindrome (5889999885).

The spelling of 3240639462 in words is "three billion, two hundred forty million, six hundred thirty-nine thousand, four hundred sixty-two".