3544407648 has 72 divisors (see below), whose sum is σ = 10269631008. Its totient is φ = 1159172352.

The previous prime is 3544407631. The next prime is 3544407653. The reversal of 3544407648 is 8467044453.

3544407648 is a `hidden beast` number, since 3 + 544 + 40 + 7 + 64 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100840 + ... + 131367.

It is an arithmetic number, because the mean of its divisors is an integer number (142633764).

Almost surely, 2^3544407648 is an apocalyptic number.

It is an amenable number.

3544407648 is an abundant number, since it is smaller than the sum of its proper divisors (6725223360).

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

3544407648 is a wasteful number, since it uses less digits than its factorization.

3544407648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232276 (or 232265 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The square root of 3544407648 is about 59534.9279666987. The cubic root of 3544407648 is about 1524.6888406454.

The spelling of 3544407648 in words is "three billion, five hundred forty-four million, four hundred seven thousand, six hundred forty-eight".