3547423944 has 128 divisors (see below), whose sum is σ = 10050048000. Its totient is φ = 1159183872.

The previous prime is 3547423939. The next prime is 3547423963. The reversal of 3547423944 is 4493247453.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3547423944.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2440722 + ... + 2442174.

It is an arithmetic number, because the mean of its divisors is an integer number (78516000).

Almost surely, 2^3547423944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3547423944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5025024000).

3547423944 is an abundant number, since it is smaller than the sum of its proper divisors (6502624056).

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

3547423944 is a wasteful number, since it uses less digits than its factorization.

3547423944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1674 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 3547423944 is about 59560.2547341765. The cubic root of 3547423944 is about 1525.1212221474.

The spelling of 3547423944 in words is "three billion, five hundred forty-seven million, four hundred twenty-three thousand, nine hundred forty-four".