40011323532 has 24 divisors (see below), whose sum is σ = 95346134016. Its totient is φ = 13053339408.

The previous prime is 40011323509. The next prime is 40011323543. The reversal of 40011323532 is 23532311004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35470468 + ... + 35471595.

It is an arithmetic number, because the mean of its divisors is an integer number (3972755584).

Almost surely, 2^40011323532 is an apocalyptic number.

It is an amenable number.

40011323532 is an abundant number, since it is smaller than the sum of its proper divisors (55334810484).

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

40011323532 is a wasteful number, since it uses less digits than its factorization.

40011323532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70942117 (or 70942115 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 40011323532 its reverse (23532311004), we get a palindrome (63543634536).

The spelling of 40011323532 in words is "forty billion, eleven million, three hundred twenty-three thousand, five hundred thirty-two".