40550452 has 6 divisors (see below), whose sum is σ = 70963298. Its totient is φ = 20275224.

The previous prime is 40550441. The next prime is 40550453. The reversal of 40550452 is 25405504.

It can be written as a sum of positive squares in only one way, i.e., 21939856 + 18610596 = 4684^2 + 4314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068803 + ... + 5068810.

Almost surely, 2^40550452 is an apocalyptic number.

It is an amenable number.

40550452 is a deficient number, since it is larger than the sum of its proper divisors (30412846).

40550452 is a wasteful number, since it uses less digits than its factorization.

40550452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137617 (or 10137615 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 40550452 is about 6367.9236804472. The cubic root of 40550452 is about 343.5568138968.

Adding to 40550452 its reverse (25405504), we get a palindrome (65955956).

The spelling of 40550452 in words is "forty million, five hundred fifty thousand, four hundred fifty-two".