3545446440 has 64 divisors (see below), whose sum is σ = 10979458560. Its totient is φ = 914952960.

The previous prime is 3545446381. The next prime is 3545446447. The reversal of 3545446440 is 446445453.

It is not an unprimeable number, because it can be changed into a prime (3545446447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472819 + ... + 480258.

It is an arithmetic number, because the mean of its divisors is an integer number (171554040).

Almost surely, 2^3545446440 is an apocalyptic number.

3545446440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3545446440 is an abundant number, since it is smaller than the sum of its proper divisors (7434012120).

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

3545446440 is a wasteful number, since it uses less digits than its factorization.

3545446440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953122 (or 953118 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The square root of 3545446440 is about 59543.6515507741. The cubic root of 3545446440 is about 1524.8377776022.

The spelling of 3545446440 in words is "three billion, five hundred forty-five million, four hundred forty-six thousand, four hundred forty".