3243551544 has 24 divisors (see below), whose sum is σ = 8784618960. Its totient is φ = 1081183824.

The previous prime is 3243551537. The next prime is 3243551621. The reversal of 3243551544 is 4451553423.

3243551544 is a `hidden beast` number, since 32 + 4 + 35 + 51 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3243551499 and 3243551508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22524592 + ... + 22524735.

It is an arithmetic number, because the mean of its divisors is an integer number (366025790).

Almost surely, 2^3243551544 is an apocalyptic number.

It is an amenable number.

3243551544 is an abundant number, since it is smaller than the sum of its proper divisors (5541067416).

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

3243551544 is a wasteful number, since it uses less digits than its factorization.

3243551544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45049339 (or 45049332 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 3243551544 is about 56952.1864725139. The cubic root of 3243551544 is about 1480.2677175788.

The spelling of 3243551544 in words is "three billion, two hundred forty-three million, five hundred fifty-one thousand, five hundred forty-four".