36404444225 has 12 divisors (see below), whose sum is σ = 45243424176. Its totient is φ = 29057804880.

The previous prime is 36404444213. The next prime is 36404444291. The reversal of 36404444225 is 52244440463.

It is not a de Polignac number, because 36404444225 - 2⁸ = 36404443969 is a prime.

It is a super-2 number, since 2×36404444225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 1632467 + ... + 1654616.

It is an arithmetic number, because the mean of its divisors is an integer number (3770285348).

Almost surely, 2^36404444225 is an apocalyptic number.

It is an amenable number.

36404444225 is a deficient number, since it is larger than the sum of its proper divisors (8838979951).

36404444225 is a wasteful number, since it uses less digits than its factorization.

36404444225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287536 (or 3287531 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 36404444225 its reverse (52244440463), we get a palindrome (88648884688).

The spelling of 36404444225 in words is "thirty-six billion, four hundred four million, four hundred forty-four thousand, two hundred twenty-five".