40005562 has 16 divisors (see below), whose sum is σ = 62198784. Its totient is φ = 19278000.

The previous prime is 40005557. The next prime is 40005577. The reversal of 40005562 is 26550004.

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, 15612 + ... + 17992.

It is an arithmetic number, because the mean of its divisors is an integer number (3887424).

Almost surely, 2^40005562 is an apocalyptic number.

40005562 is a deficient number, since it is larger than the sum of its proper divisors (22193222).

40005562 is a wasteful number, since it uses less digits than its factorization.

40005562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40005562 is about 6324.9950197609. The cubic root of 40005562 is about 342.0110400777.

Adding to 40005562 its reverse (26550004), we get a palindrome (66555566).

The spelling of 40005562 in words is "forty million, five thousand, five hundred sixty-two".