40013452 has 6 divisors (see below), whose sum is σ = 70023548. Its totient is φ = 20006724.

The previous prime is 40013447. The next prime is 40013483. The reversal of 40013452 is 25431004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001678 + ... + 5001685.

Almost surely, 2^40013452 is an apocalyptic number.

It is an amenable number.

40013452 is a deficient number, since it is larger than the sum of its proper divisors (30010096).

40013452 is a wasteful number, since it uses less digits than its factorization.

40013452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003367 (or 10003365 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40013452 is about 6325.6187049173. The cubic root of 40013452 is about 342.0335226992.

Adding to 40013452 its reverse (25431004), we get a palindrome (65444456).

The spelling of 40013452 in words is "forty million, thirteen thousand, four hundred fifty-two".