40662252 has 36 divisors (see below), whose sum is σ = 107256240. Its totient is φ = 12964512.

The previous prime is 40662239. The next prime is 40662253. The reversal of 40662252 is 25226604.

40662252 is a `hidden beast` number, since 406 + 6 + 2 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (40662253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23727 + ... + 25382.

It is an arithmetic number, because the mean of its divisors is an integer number (2979340).

Almost surely, 2^40662252 is an apocalyptic number.

It is an amenable number.

40662252 is an abundant number, since it is smaller than the sum of its proper divisors (66593988).

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

40662252 is a wasteful number, since it uses less digits than its factorization.

40662252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49142 (or 49137 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40662252 is about 6376.6960096903. The cubic root of 40662252 is about 343.8722596740.

Adding to 40662252 its reverse (25226604), we get a palindrome (65888856).

The spelling of 40662252 in words is "forty million, six hundred sixty-two thousand, two hundred fifty-two".