40001244312032 has 96 divisors (see below), whose sum is σ = 86022633215232. Its totient is φ = 18233221423104.

The previous prime is 40001244312023. The next prime is 40001244312053. The reversal of 40001244312032 is 23021344210004.

It is a junction number, because it is equal to n+sod(n) for n = 40001244311992 and 40001244312010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32618 + ... + 8944470.

It is an arithmetic number, because the mean of its divisors is an integer number (896069095992).

Almost surely, 2^{40001244312032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40001244312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43011316607616).

40001244312032 is an abundant number, since it is smaller than the sum of its proper divisors (46021388903200).

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

40001244312032 is a wasteful number, since it uses less digits than its factorization.

40001244312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912140 (or 8912132 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40001244312032 its reverse (23021344210004), we get a palindrome (63022588522036).

The spelling of 40001244312032 in words is "forty trillion, one billion, two hundred forty-four million, three hundred twelve thousand, thirty-two".