40441213231440 has 160 divisors (see below), whose sum is σ = 143848269121536. Its totient is φ = 9206878272000.

The previous prime is 40441213231429. The next prime is 40441213231451. The reversal of 40441213231440 is 4413231214404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40441213231429) and next prime (40441213231451).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47530812 + ... + 48374171.

Almost surely, 2^{40441213231440} is an apocalyptic number.

40441213231440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40441213231440 is an abundant number, since it is smaller than the sum of its proper divisors (103407055890096).

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

40441213231440 is a wasteful number, since it uses less digits than its factorization.

40441213231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95905257 (or 95905251 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 40441213231440 its reverse (4413231214404), we get a palindrome (44854444445844).

The spelling of 40441213231440 in words is "forty trillion, four hundred forty-one billion, two hundred thirteen million, two hundred thirty-one thousand, four hundred forty".