3405404620 has 24 divisors (see below), whose sum is σ = 7152653088. Its totient is φ = 1361913600.

The previous prime is 3405404617. The next prime is 3405404627. The reversal of 3405404620 is 264045043.

It is not an unprimeable number, because it can be changed into a prime (3405404627) 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, 130465 + ... + 154375.

It is an arithmetic number, because the mean of its divisors is an integer number (298027212).

Almost surely, 2^3405404620 is an apocalyptic number.

It is an amenable number.

3405404620 is an abundant number, since it is smaller than the sum of its proper divisors (3747248468).

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

3405404620 is a wasteful number, since it uses less digits than its factorization.

3405404620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31041 (or 31039 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3405404620 is about 58355.8447801075. The cubic root of 3405404620 is about 1504.4909291002.

Adding to 3405404620 its reverse (264045043), we get a palindrome (3669449663).

The spelling of 3405404620 in words is "three billion, four hundred five million, four hundred four thousand, six hundred twenty".