40525130 has 8 divisors (see below), whose sum is σ = 72945252. Its totient is φ = 16210048.

The previous prime is 40525109. The next prime is 40525181. The reversal of 40525130 is 3152504.

40525130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38031889 + 2493241 = 6167^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026247 + ... + 2026266.

Almost surely, 2^40525130 is an apocalyptic number.

40525130 is a deficient number, since it is larger than the sum of its proper divisors (32420122).

40525130 is a wasteful number, since it uses less digits than its factorization.

40525130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052520.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40525130 is about 6365.9351237662. The cubic root of 40525130 is about 343.4852868922.

Adding to 40525130 its reverse (3152504), we get a palindrome (43677634).

The spelling of 40525130 in words is "forty million, five hundred twenty-five thousand, one hundred thirty".