3244432438428 has 24 divisors (see below), whose sum is σ = 7570373650560. Its totient is φ = 1081473008880.

The previous prime is 3244432438421. The next prime is 3244432438447. The reversal of 3244432438428 is 8248342344423.

It is a super-2 number, since 2×3244432438428² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244432438421) 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, 3867313 + ... + 4630871.

It is an arithmetic number, because the mean of its divisors is an integer number (315432235440).

Almost surely, 2^{3244432438428} is an apocalyptic number.

It is an amenable number.

3244432438428 is an abundant number, since it is smaller than the sum of its proper divisors (4325941212132).

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

3244432438428 is a wasteful number, since it uses less digits than its factorization.

3244432438428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117657 (or 1117655 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 51.

The spelling of 3244432438428 in words is "three trillion, two hundred forty-four billion, four hundred thirty-two million, four hundred thirty-eight thousand, four hundred twenty-eight".