40450125 has 16 divisors (see below), whose sum is σ = 67309632. Its totient is φ = 21573200.

The previous prime is 40450121. The next prime is 40450153. The reversal of 40450125 is 52105404.

It is not a de Polignac number, because 40450125 - 2² = 40450121 is a prime.

It is a super-2 number, since 2×40450125² = 3272425225031250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53559 + ... + 54308.

It is an arithmetic number, because the mean of its divisors is an integer number (4206852).

Almost surely, 2^40450125 is an apocalyptic number.

It is an amenable number.

40450125 is a deficient number, since it is larger than the sum of its proper divisors (26859507).

40450125 is a wasteful number, since it uses less digits than its factorization.

40450125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107885 (or 107875 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40450125 is about 6360.0412734510. The cubic root of 40450125 is about 343.2732454202.

Adding to 40450125 its reverse (52105404), we get a palindrome (92555529).

The spelling of 40450125 in words is "forty million, four hundred fifty thousand, one hundred twenty-five".