3546723440 has 40 divisors (see below), whose sum is σ = 8880452448. Its totient is φ = 1309559040.

The previous prime is 3546723431. The next prime is 3546723443. The reversal of 3546723440 is 443276453.

3546723440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3546723394 and 3546723403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3546723443) 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, 1704116 + ... + 1706195.

Almost surely, 2^3546723440 is an apocalyptic number.

It is an amenable number.

3546723440 is an abundant number, since it is smaller than the sum of its proper divisors (5333729008).

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

3546723440 is a wasteful number, since it uses less digits than its factorization.

3546723440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410337 (or 3410331 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The square root of 3546723440 is about 59554.3738108294. The cubic root of 3546723440 is about 1525.0208278083.

Adding to 3546723440 its reverse (443276453), we get a palindrome (3989999893).

The spelling of 3546723440 in words is "three billion, five hundred forty-six million, seven hundred twenty-three thousand, four hundred forty".