3405669018 has 96 divisors (see below), whose sum is σ = 7449314688. Its totient is φ = 1035640320.

The previous prime is 3405669017. The next prime is 3405669019. The reversal of 3405669018 is 8109665043.

It is an interprime number because it is at equal distance from previous prime (3405669017) and next prime (3405669019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405669017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12294696 + ... + 12294972.

It is an arithmetic number, because the mean of its divisors is an integer number (77597028).

Almost surely, 2^3405669018 is an apocalyptic number.

3405669018 is an abundant number, since it is smaller than the sum of its proper divisors (4043645670).

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

3405669018 is a wasteful number, since it uses less digits than its factorization.

3405669018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3405669018 is about 58358.1101304694. The cubic root of 3405669018 is about 1504.5298646690.

The spelling of 3405669018 in words is "three billion, four hundred five million, six hundred sixty-nine thousand, eighteen".