40751231232 has 36 divisors (see below), whose sum is σ = 108457706000. Its totient is φ = 13583743488.

The previous prime is 40751231207. The next prime is 40751231243. The reversal of 40751231232 is 23213215704.

It is a self number, because there is not a number n which added to its sum of digits gives 40751231232.

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 3 ways as a sum of consecutive naturals, for example, 26529982 + ... + 26531517.

Almost surely, 2^40751231232 is an apocalyptic number.

It is an amenable number.

40751231232 is an abundant number, since it is smaller than the sum of its proper divisors (67706474768).

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

40751231232 is an equidigital number, since it uses as much as digits as its factorization.

40751231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53061518 (or 53061504 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 40751231232 its reverse (23213215704), we get a palindrome (63964446936).

The spelling of 40751231232 in words is "forty billion, seven hundred fifty-one million, two hundred thirty-one thousand, two hundred thirty-two".