40561562 has 4 divisors (see below), whose sum is σ = 60842346. Its totient is φ = 20280780.

The previous prime is 40561559. The next prime is 40561571. The reversal of 40561562 is 26516504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 5621641 = 5911^2 + 2371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10140389 + ... + 10140392.

Almost surely, 2^40561562 is an apocalyptic number.

40561562 is a deficient number, since it is larger than the sum of its proper divisors (20280784).

40561562 is a wasteful number, since it uses less digits than its factorization.

40561562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280783.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40561562 is about 6368.7959615613. The cubic root of 40561562 is about 343.5881868942.

The spelling of 40561562 in words is "forty million, five hundred sixty-one thousand, five hundred sixty-two".