40477450185253 has 2 divisors, whose sum is σ = 40477450185254. Its totient is φ = 40477450185252.

The previous prime is 40477450185241. The next prime is 40477450185269. The reversal of 40477450185253 is 35258105477404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40271436776484 + 206013408769 = 6345978^2 + 453887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40477450185253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40477450185194 and 40477450185203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40477450183253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20238725092626 + 20238725092627.

It is an arithmetic number, because the mean of its divisors is an integer number (20238725092627).

Almost surely, 2^{40477450185253} is an apocalyptic number.

It is an amenable number.

40477450185253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40477450185253 is an equidigital number, since it uses as much as digits as its factorization.

40477450185253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 40477450185253 in words is "forty trillion, four hundred seventy-seven billion, four hundred fifty million, one hundred eighty-five thousand, two hundred fifty-three".