40144412223340 has 24 divisors (see below), whose sum is σ = 84308564098080. Its totient is φ = 16056755664768.

The previous prime is 40144412223247. The next prime is 40144412223347. The reversal of 40144412223340 is 4332221444104.

It is a super-2 number, since 2×40144412223340² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40144412223296 and 40144412223305.

It is not an unprimeable number, because it can be changed into a prime (40144412223347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62750320 + ... + 63386839.

It is an arithmetic number, because the mean of its divisors is an integer number (3512856837420).

Almost surely, 2^{40144412223340} is an apocalyptic number.

It is an amenable number.

40144412223340 is an abundant number, since it is smaller than the sum of its proper divisors (44164151874740).

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

40144412223340 is a wasteful number, since it uses less digits than its factorization.

40144412223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126153081 (or 126153079 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 40144412223340 its reverse (4332221444104), we get a palindrome (44476633667444).

The spelling of 40144412223340 in words is "forty trillion, one hundred forty-four billion, four hundred twelve million, two hundred twenty-three thousand, three hundred forty".