40002255205453 has 4 divisors (see below), whose sum is σ = 40008109486428. Its totient is φ = 39996400924480.

The previous prime is 40002255205447. The next prime is 40002255205463. The reversal of 40002255205453 is 35450255220004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12760348498569 + 27241906706884 = 3572163^2 + 5219378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40002255205453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002255205403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927130238 + ... + 2927143903.

It is an arithmetic number, because the mean of its divisors is an integer number (10002027371607).

Almost surely, 2^{40002255205453} is an apocalyptic number.

It is an amenable number.

40002255205453 is a deficient number, since it is larger than the sum of its proper divisors (5854280975).

40002255205453 is an equidigital number, since it uses as much as digits as its factorization.

40002255205453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854280974.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 40002255205453 in words is "forty trillion, two billion, two hundred fifty-five million, two hundred five thousand, four hundred fifty-three".