3205134445440 has 128 divisors (see below), whose sum is σ = 10817328863520. Its totient is φ = 804425891840.

The previous prime is 3205134445427. The next prime is 3205134445451. The reversal of 3205134445440 is 445444315023.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49065621 + ... + 49130900.

Almost surely, 2^{3205134445440} is an apocalyptic number.

3205134445440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3205134445440 is an abundant number, since it is smaller than the sum of its proper divisors (7612194418080).

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

3205134445440 is a wasteful number, since it uses less digits than its factorization.

3205134445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98196560 (or 98196548 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 3205134445440 in words is "three trillion, two hundred five billion, one hundred thirty-four million, four hundred forty-five thousand, four hundred forty".