40009087388771 has 32 divisors (see below), whose sum is σ = 41699170800000. Its totient is φ = 38354290394112.

The previous prime is 40009087388713. The next prime is 40009087388791. The reversal of 40009087388771 is 17788378090004.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40009087388771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40009087388791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1835352530 + ... + 1835374328.

It is an arithmetic number, because the mean of its divisors is an integer number (1303099087500).

Almost surely, 2^{40009087388771} is an apocalyptic number.

40009087388771 is a deficient number, since it is larger than the sum of its proper divisors (1690083411229).

40009087388771 is a wasteful number, since it uses less digits than its factorization.

40009087388771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23871.

The product of its (nonzero) digits is 18966528, while the sum is 62.

The spelling of 40009087388771 in words is "forty trillion, nine billion, eighty-seven million, three hundred eighty-eight thousand, seven hundred seventy-one".