40044344321245 has 32 divisors (see below), whose sum is σ = 53205039578880. Its totient is φ = 28688658432000.

The previous prime is 40044344321207. The next prime is 40044344321309. The reversal of 40044344321245 is 54212344344004.

It is not a de Polignac number, because 40044344321245 - 2⁷ = 40044344321117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40044344321198 and 40044344321207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270301 + ... + 8953309.

It is an arithmetic number, because the mean of its divisors is an integer number (1662657486840).

Almost surely, 2^{40044344321245} is an apocalyptic number.

It is an amenable number.

40044344321245 is a deficient number, since it is larger than the sum of its proper divisors (13160695257635).

40044344321245 is a wasteful number, since it uses less digits than its factorization.

40044344321245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684277.

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 40044344321245 its reverse (54212344344004), we get a palindrome (94256688665249).

The spelling of 40044344321245 in words is "forty trillion, forty-four billion, three hundred forty-four million, three hundred twenty-one thousand, two hundred forty-five".