40012004433 has 32 divisors (see below), whose sum is σ = 55101150720. Its totient is φ = 25811210880.

The previous prime is 40012004363. The next prime is 40012004443. The reversal of 40012004433 is 33440021004.

It is not a de Polignac number, because 40012004433 - 2¹² = 40012000337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40012004443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9339910 + ... + 9344192.

It is an arithmetic number, because the mean of its divisors is an integer number (1721910960).

Almost surely, 2^40012004433 is an apocalyptic number.

40012004433 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40012004433 is a deficient number, since it is larger than the sum of its proper divisors (15089146287).

40012004433 is a wasteful number, since it uses less digits than its factorization.

40012004433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40012004433 its reverse (33440021004), we get a palindrome (73452025437).

The spelling of 40012004433 in words is "forty billion, twelve million, four thousand, four hundred thirty-three".