3405142040 has 16 divisors (see below), whose sum is σ = 7661569680. Its totient is φ = 1362056800.

The previous prime is 3405142033. The next prime is 3405142043. The reversal of 3405142040 is 402415043.

It is a junction number, because it is equal to n+sod(n) for n = 3405141997 and 3405142015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405142043) 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, 42564236 + ... + 42564315.

It is an arithmetic number, because the mean of its divisors is an integer number (478848105).

Almost surely, 2^3405142040 is an apocalyptic number.

It is an amenable number.

3405142040 is an abundant number, since it is smaller than the sum of its proper divisors (4256427640).

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

3405142040 is a wasteful number, since it uses less digits than its factorization.

3405142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85128562 (or 85128558 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3405142040 is about 58353.5949192507. The cubic root of 3405142040 is about 1504.4522592575.

Adding to 3405142040 its reverse (402415043), we get a palindrome (3807557083).

The spelling of 3405142040 in words is "three billion, four hundred five million, one hundred forty-two thousand, forty".