40164164515 has 4 divisors (see below), whose sum is σ = 48196997424. Its totient is φ = 32131331608.

The previous prime is 40164164497. The next prime is 40164164519. The reversal of 40164164515 is 51546146104.

40164164515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40164164515 - 2⁷ = 40164164387 is a prime.

It is a super-2 number, since 2×40164164515² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40164164519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016416447 + ... + 4016416456.

It is an arithmetic number, because the mean of its divisors is an integer number (12049249356).

Almost surely, 2^40164164515 is an apocalyptic number.

40164164515 is a deficient number, since it is larger than the sum of its proper divisors (8032832909).

40164164515 is an equidigital number, since it uses as much as digits as its factorization.

40164164515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032832908.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 40164164515 in words is "forty billion, one hundred sixty-four million, one hundred sixty-four thousand, five hundred fifteen".