3545438840 has 16 divisors (see below), whose sum is σ = 7977237480. Its totient is φ = 1418175520.

The previous prime is 3545438839. The next prime is 3545438849. The reversal of 3545438840 is 488345453.

3545438840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3545438791 and 3545438800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545438849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44317946 + ... + 44318025.

Almost surely, 2^3545438840 is an apocalyptic number.

It is an amenable number.

3545438840 is an abundant number, since it is smaller than the sum of its proper divisors (4431798640).

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

3545438840 is a wasteful number, since it uses less digits than its factorization.

3545438840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88635982 (or 88635978 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The square root of 3545438840 is about 59543.5877320136. The cubic root of 3545438840 is about 1524.8366880567.

The spelling of 3545438840 in words is "three billion, five hundred forty-five million, four hundred thirty-eight thousand, eight hundred forty".