40012040415 has 16 divisors (see below), whose sum is σ = 64920946176. Its totient is φ = 21039194400.

The previous prime is 40012040401. The next prime is 40012040437. The reversal of 40012040415 is 51404021004.

It is a happy number.

It is not a de Polignac number, because 40012040415 - 2¹⁰ = 40012039391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40012040391 and 40012040400.

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 15 ways as a sum of consecutive naturals, for example, 18783931 + ... + 18786060.

It is an arithmetic number, because the mean of its divisors is an integer number (4057559136).

Almost surely, 2^40012040415 is an apocalyptic number.

40012040415 is a deficient number, since it is larger than the sum of its proper divisors (24908905761).

40012040415 is a wasteful number, since it uses less digits than its factorization.

40012040415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37570070.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 40012040415 its reverse (51404021004), we get a palindrome (91416061419).

The spelling of 40012040415 in words is "forty billion, twelve million, forty thousand, four hundred fifteen".