2150040405 has 32 divisors (see below), whose sum is σ = 3680014464. Its totient is φ = 1068097536.

The previous prime is 2150040359. The next prime is 2150040407. The reversal of 2150040405 is 5040400512.

It is not a de Polignac number, because 2150040405 - 2⁶ = 2150040341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150040407) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18727 + ... + 68196.

It is an arithmetic number, because the mean of its divisors is an integer number (115000452).

Almost surely, 2^2150040405 is an apocalyptic number.

It is an amenable number.

2150040405 is a deficient number, since it is larger than the sum of its proper divisors (1529974059).

2150040405 is a wasteful number, since it uses less digits than its factorization.

2150040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87045.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2150040405 is about 46368.5281737516. The cubic root of 2150040405 is about 1290.6709657759.

Adding to 2150040405 its reverse (5040400512), we get a palindrome (7190440917).

The spelling of 2150040405 in words is "two billion, one hundred fifty million, forty thousand, four hundred five".