40125452 has 12 divisors (see below), whose sum is σ = 71544816. Its totient is φ = 19684080.

The previous prime is 40125419. The next prime is 40125469. The reversal of 40125452 is 25452104.

It is a happy number.

It is a super-2 number, since 2×40125452² = 3220103796408608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94424 + ... + 94847.

It is an arithmetic number, because the mean of its divisors is an integer number (5962068).

Almost surely, 2^40125452 is an apocalyptic number.

It is an amenable number.

40125452 is a deficient number, since it is larger than the sum of its proper divisors (31419364).

40125452 is a wasteful number, since it uses less digits than its factorization.

40125452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189328 (or 189326 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40125452 is about 6334.4654075936. The cubic root of 40125452 is about 342.3523493789.

Adding to 40125452 its reverse (25452104), we get a palindrome (65577556).

The spelling of 40125452 in words is "forty million, one hundred twenty-five thousand, four hundred fifty-two".