40144545251041 has 16 divisors (see below), whose sum is σ = 51776216000640. Its totient is φ = 30202792663680.

The previous prime is 40144545251023. The next prime is 40144545251047. The reversal of 40144545251041 is 14015254544104.

It is not a de Polignac number, because 40144545251041 - 2²⁵ = 40144511696609 is a prime.

It is a super-2 number, since 2×40144545251041² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40144545250985 and 40144545251003.

It is not an unprimeable number, because it can be changed into a prime (40144545251047) 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, 8988924156 + ... + 8988928621.

It is an arithmetic number, because the mean of its divisors is an integer number (3236013500040).

Almost surely, 2^{40144545251041} is an apocalyptic number.

It is an amenable number.

40144545251041 is a deficient number, since it is larger than the sum of its proper divisors (11631670749599).

40144545251041 is a wasteful number, since it uses less digits than its factorization.

40144545251041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17977852824.

The product of its (nonzero) digits is 256000, while the sum is 40.

Adding to 40144545251041 its reverse (14015254544104), we get a palindrome (54159799795145).

The spelling of 40144545251041 in words is "forty trillion, one hundred forty-four billion, five hundred forty-five million, two hundred fifty-one thousand, forty-one".