40332235225 has 12 divisors (see below), whose sum is σ = 52953852924. Its totient is φ = 30367800320.

The previous prime is 40332235219. The next prime is 40332235231. The reversal of 40332235225 is 52253223304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40332235219) and next prime (40332235231).

It can be written as a sum of positive squares in 6 ways, for example, as 1479094681 + 38853140544 = 38459^2 + 197112^2 .

It is not a de Polignac number, because 40332235225 - 2¹¹ = 40332233177 is a prime.

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, 47449264 + ... + 47450113.

It is an arithmetic number, because the mean of its divisors is an integer number (4412821077).

Almost surely, 2^40332235225 is an apocalyptic number.

It is an amenable number.

40332235225 is a deficient number, since it is larger than the sum of its proper divisors (12621617699).

40332235225 is a wasteful number, since it uses less digits than its factorization.

40332235225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94899404 (or 94899399 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 40332235225 its reverse (52253223304), we get a palindrome (92585458529).

The spelling of 40332235225 in words is "forty billion, three hundred thirty-two million, two hundred thirty-five thousand, two hundred twenty-five".