40144101043144 has 64 divisors (see below), whose sum is σ = 90165733539840. Its totient is φ = 16382791529280.

The previous prime is 40144101043139. The next prime is 40144101043169. The reversal of 40144101043144 is 44134010144104.

It is a happy number.

It is a super-2 number, since 2×40144101043144² (a number of 28 digits) contains 22 as substring.

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, 69595692 + ... + 70170139.

It is an arithmetic number, because the mean of its divisors is an integer number (1408839586560).

Almost surely, 2^{40144101043144} is an apocalyptic number.

It is an amenable number.

40144101043144 is an abundant number, since it is smaller than the sum of its proper divisors (50021632496696).

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

40144101043144 is a wasteful number, since it uses less digits than its factorization.

40144101043144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139766090 (or 139766086 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 40144101043144 its reverse (44134010144104), we get a palindrome (84278111187248).

The spelling of 40144101043144 in words is "forty trillion, one hundred forty-four billion, one hundred one million, forty-three thousand, one hundred forty-four".