3405780140 has 24 divisors (see below), whose sum is σ = 8173872672. Its totient is φ = 1167696000.

The previous prime is 3405780089. The next prime is 3405780163. The reversal of 3405780140 is 410875043.

It is a junction number, because it is equal to n+sod(n) for n = 3405780097 and 3405780106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12163361 + ... + 12163640.

It is an arithmetic number, because the mean of its divisors is an integer number (340578028).

Almost surely, 2^3405780140 is an apocalyptic number.

It is an amenable number.

3405780140 is an abundant number, since it is smaller than the sum of its proper divisors (4768092532).

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

3405780140 is a wasteful number, since it uses less digits than its factorization.

3405780140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24327017 (or 24327015 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 3405780140 is about 58359.0621926021. The cubic root of 3405780140 is about 1504.5462280275.

The spelling of 3405780140 in words is "three billion, four hundred five million, seven hundred eighty thousand, one hundred forty".