40020051340415 has 16 divisors (see below), whose sum is σ = 48257168726016. Its totient is φ = 31860670951200.

The previous prime is 40020051340391. The next prime is 40020051340429. The reversal of 40020051340415 is 51404315002004.

It is not a de Polignac number, because 40020051340415 - 2⁶ = 40020051340351 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 15 ways as a sum of consecutive naturals, for example, 7106570 + ... + 11425560.

It is an arithmetic number, because the mean of its divisors is an integer number (3016073045376).

Almost surely, 2^{40020051340415} is an apocalyptic number.

40020051340415 is a deficient number, since it is larger than the sum of its proper divisors (8237117385601).

40020051340415 is a wasteful number, since it uses less digits than its factorization.

40020051340415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327990.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 40020051340415 its reverse (51404315002004), we get a palindrome (91424366342419).

The spelling of 40020051340415 in words is "forty trillion, twenty billion, fifty-one million, three hundred forty thousand, four hundred fifteen".