40115252 has 48 divisors (see below), whose sum is σ = 75586560. Its totient is φ = 18600192.

The previous prime is 40115249. The next prime is 40115267. The reversal of 40115252 is 25251104.

40115252 = T₉₆₈ + T₉₆₉ + ... + T₁₀₄₆.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507749 + ... + 507827.

It is an arithmetic number, because the mean of its divisors is an integer number (1574720).

Almost surely, 2^40115252 is an apocalyptic number.

It is an amenable number.

40115252 is a deficient number, since it is larger than the sum of its proper divisors (35471308).

40115252 is a wasteful number, since it uses less digits than its factorization.

40115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 40115252 is about 6333.6602371772. The cubic root of 40115252 is about 342.3233379517.

Adding to 40115252 its reverse (25251104), we get a palindrome (65366356).

The spelling of 40115252 in words is "forty million, one hundred fifteen thousand, two hundred fifty-two".