40054352315 has 4 divisors (see below), whose sum is σ = 48065222784. Its totient is φ = 32043481848.

The previous prime is 40054352309. The next prime is 40054352323. The reversal of 40054352315 is 51325345004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40054352315 - 2⁸ = 40054352059 is a prime.

It is a super-2 number, since 2×40054352315² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 4005435227 + ... + 4005435236.

It is an arithmetic number, because the mean of its divisors is an integer number (12016305696).

Almost surely, 2^40054352315 is an apocalyptic number.

40054352315 is a deficient number, since it is larger than the sum of its proper divisors (8010870469).

40054352315 is an equidigital number, since it uses as much as digits as its factorization.

40054352315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010870468.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 40054352315 its reverse (51325345004), we get a palindrome (91379697319).

The spelling of 40054352315 in words is "forty billion, fifty-four million, three hundred fifty-two thousand, three hundred fifteen".