40000552 has 32 divisors (see below), whose sum is σ = 77449320. Its totient is φ = 19353600.

The previous prime is 40000549. The next prime is 40000561. The reversal of 40000552 is 25500004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39866596 + 133956 = 6314^2 + 366^2 .

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, 99552 + ... + 99952.

Almost surely, 2^40000552 is an apocalyptic number.

It is an amenable number.

40000552 is a deficient number, since it is larger than the sum of its proper divisors (37448768).

40000552 is a wasteful number, since it uses less digits than its factorization.

40000552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 40000552 is about 6324.5989596179. The cubic root of 40000552 is about 341.9967625060.

Adding to 40000552 its reverse (25500004), we get a palindrome (65500556).

The spelling of 40000552 in words is "forty million, five hundred fifty-two", and thus it is an aban number.