40122412225 has 24 divisors (see below), whose sum is σ = 57380861120. Its totient is φ = 27260089920.

The previous prime is 40122412217. The next prime is 40122412247. The reversal of 40122412225 is 52221422104.

It is a happy number.

It is not a de Polignac number, because 40122412225 - 2³ = 40122412217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40122412225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1032627 + ... + 1070776.

Almost surely, 2^40122412225 is an apocalyptic number.

It is an amenable number.

40122412225 is a deficient number, since it is larger than the sum of its proper divisors (17258448895).

40122412225 is a wasteful number, since it uses less digits than its factorization.

40122412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103529 (or 2103524 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 40122412225 its reverse (52221422104), we get a palindrome (92343834329).

It can be divided in two parts, 401224 and 12225, that added together give a square (413449 = 643²).

The spelling of 40122412225 in words is "forty billion, one hundred twenty-two million, four hundred twelve thousand, two hundred twenty-five".