40160252 has 24 divisors (see below), whose sum is σ = 79145472. Its totient is φ = 17665200.

The previous prime is 40160249. The next prime is 40160299. The reversal of 40160252 is 25206104.

It is a happy number.

It is a super-2 number, since 2×40160252² = 3225691681407008, 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, 13358 + ... + 16085.

It is an arithmetic number, because the mean of its divisors is an integer number (3297728).

Almost surely, 2^40160252 is an apocalyptic number.

It is an amenable number.

40160252 is a deficient number, since it is larger than the sum of its proper divisors (38985220).

40160252 is a wasteful number, since it uses less digits than its factorization.

40160252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29489 (or 29487 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40160252 is about 6337.2116896945. The cubic root of 40160252 is about 342.4512925568.

Adding to 40160252 its reverse (25206104), we get a palindrome (65366356).

The spelling of 40160252 in words is "forty million, one hundred sixty thousand, two hundred fifty-two".