4140215406 has 24 divisors (see below), whose sum is σ = 9442597320. Its totient is φ = 1307436336.

The previous prime is 4140215399. The next prime is 4140215419. The reversal of 4140215406 is 6045120414.

4140215406 is a `hidden beast` number, since 4 + 1 + 40 + 215 + 406 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4140215406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6052605 + ... + 6053288.

It is an arithmetic number, because the mean of its divisors is an integer number (393441555).

Almost surely, 2^4140215406 is an apocalyptic number.

4140215406 is an abundant number, since it is smaller than the sum of its proper divisors (5302381914).

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

4140215406 is a wasteful number, since it uses less digits than its factorization.

4140215406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105920 (or 12105917 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4140215406 is about 64344.5056395649. The cubic root of 4140215406 is about 1605.7366217235.

The spelling of 4140215406 in words is "four billion, one hundred forty million, two hundred fifteen thousand, four hundred six".