41406145225 has 9 divisors (see below), whose sum is σ = 51344881717. Its totient is φ = 33124102240.

The previous prime is 41406145141. The next prime is 41406145229. The reversal of 41406145225 is 52254160414.

The square root of 41406145225 is 203485.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22800094009 + 18606051216 = 150997^2 + 136404^2 .

It is not a de Polignac number, because 41406145225 - 2³³ = 32816210633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41406145229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 997077 + ... + 1037773.

Almost surely, 2^41406145225 is an apocalyptic number.

41406145225 is the 203485-th square number.

41406145225 is the 101743-rd centered octagonal number.

It is an amenable number.

41406145225 is a deficient number, since it is larger than the sum of its proper divisors (9938736492).

41406145225 is an frugal number, since it uses more digits than its factorization.

41406145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81404 (or 40702 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 41406145225 in words is "forty-one billion, four hundred six million, one hundred forty-five thousand, two hundred twenty-five".