3229256801640 has 32 divisors (see below), whose sum is σ = 9687770405280. Its totient is φ = 861135147072.

The previous prime is 3229256801629. The next prime is 3229256801653. The reversal of 3229256801640 is 461086529223.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3229256801640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13455236554 + ... + 13455236793.

It is an arithmetic number, because the mean of its divisors is an integer number (302742825165).

Almost surely, 2^{3229256801640} is an apocalyptic number.

3229256801640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3229256801640 is an abundant number, since it is smaller than the sum of its proper divisors (6458513603640).

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

3229256801640 is a wasteful number, since it uses less digits than its factorization.

3229256801640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26910473361 (or 26910473357 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 3229256801640 in words is "three trillion, two hundred twenty-nine billion, two hundred fifty-six million, eight hundred one thousand, six hundred forty".