40255515410432 has 120 divisors (see below), whose sum is σ = 93174500616960. Its totient is φ = 17033975562240.

The previous prime is 40255515410401. The next prime is 40255515410491. The reversal of 40255515410432 is 23401451555204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40255515410432.

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 7 ways as a sum of consecutive naturals, for example, 6838832 + ... + 11281872.

It is an arithmetic number, because the mean of its divisors is an integer number (776454171808).

Almost surely, 2^{40255515410432} 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 40255515410432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46587250308480).

40255515410432 is an abundant number, since it is smaller than the sum of its proper divisors (52918985206528).

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

40255515410432 is an frugal number, since it uses more digits than its factorization.

40255515410432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443155 (or 4443129 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 40255515410432 its reverse (23401451555204), we get a palindrome (63656966965636).

The spelling of 40255515410432 in words is "forty trillion, two hundred fifty-five billion, five hundred fifteen million, four hundred ten thousand, four hundred thirty-two".