2015040412 has 24 divisors (see below), whose sum is σ = 4396452480. Its totient is φ = 785080560.

The previous prime is 2015040361. The next prime is 2015040431. The reversal of 2015040412 is 2140405102.

It is a self number, because there is not a number n which added to its sum of digits gives 2015040412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270862 + ... + 3271477.

It is an arithmetic number, because the mean of its divisors is an integer number (183185520).

Almost surely, 2^2015040412 is an apocalyptic number.

2015040412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2015040412 is an abundant number, since it is smaller than the sum of its proper divisors (2381412068).

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

2015040412 is a wasteful number, since it uses less digits than its factorization.

2015040412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542361 (or 6542359 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2015040412 is about 44889.2015077123. The cubic root of 2015040412 is about 1263.0714544256.

Adding to 2015040412 its reverse (2140405102), we get a palindrome (4155445514).

The spelling of 2015040412 in words is "two billion, fifteen million, forty thousand, four hundred twelve".