40125500 has 24 divisors (see below), whose sum is σ = 87635184. Its totient is φ = 16050000.

The previous prime is 40125497. The next prime is 40125521. The reversal of 40125500 is 552104.

It is a super-2 number, since 2×40125500² = 3220111500500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39626 + ... + 40625.

It is an arithmetic number, because the mean of its divisors is an integer number (3651466).

Almost surely, 2^40125500 is an apocalyptic number.

It is an amenable number.

40125500 is an abundant number, since it is smaller than the sum of its proper divisors (47509684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40125500 is a wasteful number, since it uses less digits than its factorization.

40125500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80270 (or 80258 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 40125500 is about 6334.4691963889. The cubic root of 40125500 is about 342.3524858917.

Adding to 40125500 its reverse (552104), we get a palindrome (40677604).

The spelling of 40125500 in words is "forty million, one hundred twenty-five thousand, five hundred".