40204043015 has 8 divisors (see below), whose sum is σ = 49421555568. Its totient is φ = 31378765120.

The previous prime is 40204042913. The next prime is 40204043027. The reversal of 40204043015 is 51034040204.

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

It is not a de Polignac number, because 40204043015 - 2²⁰ = 40202994439 is a prime.

It is a Duffinian number.

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, 98058437 + ... + 98058846.

It is an arithmetic number, because the mean of its divisors is an integer number (6177694446).

Almost surely, 2^40204043015 is an apocalyptic number.

40204043015 is a deficient number, since it is larger than the sum of its proper divisors (9217512553).

40204043015 is a wasteful number, since it uses less digits than its factorization.

40204043015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196117329.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40204043015 its reverse (51034040204), we get a palindrome (91238083219).

The spelling of 40204043015 in words is "forty billion, two hundred four million, forty-three thousand, fifteen".