40225005257 has 2 divisors, whose sum is σ = 40225005258. Its totient is φ = 40225005256.

The previous prime is 40225005251. The next prime is 40225005281. The reversal of 40225005257 is 75250052204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40039609801 + 185395456 = 200099^2 + 13616^2 .

It is a cyclic number.

It is not a de Polignac number, because 40225005257 - 2⁸ = 40225005001 is a prime.

It is not a weakly prime, because it can be changed into another prime (40225005251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112502628 + 20112502629.

It is an arithmetic number, because the mean of its divisors is an integer number (20112502629).

Almost surely, 2^40225005257 is an apocalyptic number.

It is an amenable number.

40225005257 is a deficient number, since it is larger than the sum of its proper divisors (1).

40225005257 is an equidigital number, since it uses as much as digits as its factorization.

40225005257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 32.

The spelling of 40225005257 in words is "forty billion, two hundred twenty-five million, five thousand, two hundred fifty-seven".