40252454325 has 18 divisors (see below), whose sum is σ = 72096618594. Its totient is φ = 21467975520.

The previous prime is 40252454323. The next prime is 40252454369. The reversal of 40252454325 is 52345425204.

40252454325 is a `hidden beast` number, since 40 + 2 + 52 + 4 + 543 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5345510769 + 34906943556 = 73113^2 + 186834^2 .

It is not a de Polignac number, because 40252454325 - 2¹ = 40252454323 is a prime.

It is a super-2 number, since 2×40252454325² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40252454325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252454321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89449674 + ... + 89450123.

Almost surely, 2^40252454325 is an apocalyptic number.

40252454325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40252454325 is a deficient number, since it is larger than the sum of its proper divisors (31844164269).

40252454325 is a wasteful number, since it uses less digits than its factorization.

40252454325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178899813 (or 178899805 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 40252454325 its reverse (52345425204), we get a palindrome (92597879529).

The spelling of 40252454325 in words is "forty billion, two hundred fifty-two million, four hundred fifty-four thousand, three hundred twenty-five".