40036165146 has 24 divisors (see below), whose sum is σ = 91847673684. Its totient is φ = 12560365440.

The previous prime is 40036165139. The next prime is 40036165219. The reversal of 40036165146 is 64156163004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38476784025 + 1559381121 = 196155^2 + 39489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40036165146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65418265 + ... + 65418876.

Almost surely, 2^40036165146 is an apocalyptic number.

40036165146 is an abundant number, since it is smaller than the sum of its proper divisors (51811508538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40036165146 is a wasteful number, since it uses less digits than its factorization.

40036165146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130837166 (or 130837163 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 40036165146 in words is "forty billion, thirty-six million, one hundred sixty-five thousand, one hundred forty-six".