40158325 has 12 divisors (see below), whose sum is σ = 50256580. Its totient is φ = 31829760.

The previous prime is 40158319. The next prime is 40158329. The reversal of 40158325 is 52385104.

It can be written as a sum of positive squares in 6 ways, for example, as 933156 + 39225169 = 966^2 + 6263^2 .

It is not a de Polignac number, because 40158325 - 2²⁵ = 6603893 is a prime.

It is a super-2 number, since 2×40158325² = 3225382133611250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40158293 and 40158302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40158329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4644 + ... + 10093.

Almost surely, 2^40158325 is an apocalyptic number.

It is an amenable number.

40158325 is a deficient number, since it is larger than the sum of its proper divisors (10098255).

40158325 is a wasteful number, since it uses less digits than its factorization.

40158325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14856 (or 14851 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 40158325 is about 6337.0596493958. The cubic root of 40158325 is about 342.4458152157.

The spelling of 40158325 in words is "forty million, one hundred fifty-eight thousand, three hundred twenty-five".