40205512 has 16 divisors (see below), whose sum is σ = 77817600. Its totient is φ = 19454160.

The previous prime is 40205509. The next prime is 40205537. The reversal of 40205512 is 21550204.

40205512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40205512³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40205512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80812 + ... + 81307.

It is an arithmetic number, because the mean of its divisors is an integer number (4863600).

Almost surely, 2^40205512 is an apocalyptic number.

It is an amenable number.

40205512 is a deficient number, since it is larger than the sum of its proper divisors (37612088).

40205512 is a wasteful number, since it uses less digits than its factorization.

40205512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162156 (or 162152 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40205512 is about 6340.7816552851. The cubic root of 40205512 is about 342.5798900785.

Adding to 40205512 its reverse (21550204), we get a palindrome (61755716).

The spelling of 40205512 in words is "forty million, two hundred five thousand, five hundred twelve".