40015040244 has 12 divisors (see below), whose sum is σ = 93368427264. Its totient is φ = 13338346744.

The previous prime is 40015040213. The next prime is 40015040267. The reversal of 40015040244 is 44204051004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667293332 + ... + 1667293355.

It is an arithmetic number, because the mean of its divisors is an integer number (7780702272).

Almost surely, 2^40015040244 is an apocalyptic number.

It is an amenable number.

40015040244 is an abundant number, since it is smaller than the sum of its proper divisors (53353387020).

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

40015040244 is a wasteful number, since it uses less digits than its factorization.

40015040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334586694 (or 3334586692 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40015040244 its reverse (44204051004), we get a palindrome (84219091248).

The spelling of 40015040244 in words is "forty billion, fifteen million, forty thousand, two hundred forty-four".