40605165140 has 24 divisors (see below), whose sum is σ = 85281191520. Its totient is φ = 16240095648.

The previous prime is 40605165137. The next prime is 40605165143. The reversal of 40605165140 is 4156150604.

It is an interprime number because it is at equal distance from previous prime (40605165137) and next prime (40605165143).

It is a super-3 number, since 3×40605165140³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40605165097 and 40605165106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40605165143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51899 + ... + 289661.

It is an arithmetic number, because the mean of its divisors is an integer number (3553382980).

Almost surely, 2^40605165140 is an apocalyptic number.

It is an amenable number.

40605165140 is an abundant number, since it is smaller than the sum of its proper divisors (44676026380).

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

40605165140 is a wasteful number, since it uses less digits than its factorization.

40605165140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246311 (or 246309 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 40605165140 in words is "forty billion, six hundred five million, one hundred sixty-five thousand, one hundred forty".