40013401444245 has 12 divisors (see below), whose sum is σ = 69356562503436. Its totient is φ = 21340480770240.

The previous prime is 40013401444213. The next prime is 40013401444307. The reversal of 40013401444245 is 54244410431004.

40013401444245 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 3 + 401 + 4 + 4 + 4 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28440899666001 + 11572501778244 = 5333001^2 + 3401838^2 .

It is not a de Polignac number, because 40013401444245 - 2⁵ = 40013401444213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444593349336 + ... + 444593349425.

It is an arithmetic number, because the mean of its divisors is an integer number (5779713541953).

Almost surely, 2^{40013401444245} is an apocalyptic number.

40013401444245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40013401444245 is a deficient number, since it is larger than the sum of its proper divisors (29343161059191).

40013401444245 is a wasteful number, since it uses less digits than its factorization.

40013401444245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889186698772 (or 889186698769 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 40013401444245 its reverse (54244410431004), we get a palindrome (94257811875249).

The spelling of 40013401444245 in words is "forty trillion, thirteen billion, four hundred one million, four hundred forty-four thousand, two hundred forty-five".