40038967915 has 8 divisors (see below), whose sum is σ = 48315180240. Its totient is φ = 31852228512.

The previous prime is 40038967877. The next prime is 40038967961. The reversal of 40038967915 is 51976983004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40038967915 - 2³⁵ = 5679229547 is a prime.

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, 22367244 + ... + 22369033.

It is an arithmetic number, because the mean of its divisors is an integer number (6039397530).

Almost surely, 2^40038967915 is an apocalyptic number.

40038967915 is a deficient number, since it is larger than the sum of its proper divisors (8276212325).

40038967915 is a wasteful number, since it uses less digits than its factorization.

40038967915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44736461.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 40038967915 in words is "forty billion, thirty-eight million, nine hundred sixty-seven thousand, nine hundred fifteen".