40142325 has 24 divisors (see below), whose sum is σ = 66620736. Its totient is φ = 21328000.

The previous prime is 40142281. The next prime is 40142339. The reversal of 40142325 is 52324104.

40142325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40142325 - 2⁶ = 40142261 is a prime.

It is a super-2 number, since 2×40142325² = 3222812512811250, which contains 22 as substring.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 22465 + ... + 24185.

It is an arithmetic number, because the mean of its divisors is an integer number (2775864).

Almost surely, 2^40142325 is an apocalyptic number.

It is an amenable number.

40142325 is a deficient number, since it is larger than the sum of its proper divisors (26478411).

40142325 is a wasteful number, since it uses less digits than its factorization.

40142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40142325 is about 6335.7971084939. The cubic root of 40142325 is about 342.4003297455.

Adding to 40142325 its reverse (52324104), we get a palindrome (92466429).

The spelling of 40142325 in words is "forty million, one hundred forty-two thousand, three hundred twenty-five".