40144104341220 has 48 divisors (see below), whose sum is σ = 122621991444288. Its totient is φ = 9731904082560.

The previous prime is 40144104341179. The next prime is 40144104341221. The reversal of 40144104341220 is 2214340144104.

It is a happy number.

It is a super-2 number, since 2×40144104341220² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40144104341221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30412199599 + ... + 30412200918.

It is an arithmetic number, because the mean of its divisors is an integer number (2554624821756).

Almost surely, 2^{40144104341220} is an apocalyptic number.

It is an amenable number.

40144104341220 is an abundant number, since it is smaller than the sum of its proper divisors (82477887103068).

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

40144104341220 is a wasteful number, since it uses less digits than its factorization.

40144104341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60824400540 (or 60824400538 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 40144104341220 its reverse (2214340144104), we get a palindrome (42358444485324).

The spelling of 40144104341220 in words is "forty trillion, one hundred forty-four billion, one hundred four million, three hundred forty-one thousand, two hundred twenty".