40424452 has 6 divisors (see below), whose sum is σ = 70742798. Its totient is φ = 20212224.

The previous prime is 40424441. The next prime is 40424467. The reversal of 40424452 is 25442404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28132416 + 12292036 = 5304^2 + 3506^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053053 + ... + 5053060.

Almost surely, 2^40424452 is an apocalyptic number.

It is an amenable number.

40424452 is a deficient number, since it is larger than the sum of its proper divisors (30318346).

40424452 is a wasteful number, since it uses less digits than its factorization.

40424452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106117 (or 10106115 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 40424452 is about 6358.0226485913. The cubic root of 40424452 is about 343.2006068383.

Adding to 40424452 its reverse (25442404), we get a palindrome (65866856).

The spelling of 40424452 in words is "forty million, four hundred twenty-four thousand, four hundred fifty-two".