40564462 has 4 divisors (see below), whose sum is σ = 60846696. Its totient is φ = 20282230.

The previous prime is 40564441. The next prime is 40564463. The reversal of 40564462 is 26446504.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40564463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10141114 + ... + 10141117.

It is an arithmetic number, because the mean of its divisors is an integer number (15211674).

Almost surely, 2^40564462 is an apocalyptic number.

40564462 is a deficient number, since it is larger than the sum of its proper divisors (20282234).

40564462 is a wasteful number, since it uses less digits than its factorization.

40564462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20282233.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 40564462 is about 6369.0236300394. The cubic root of 40564462 is about 343.5963751225.

The spelling of 40564462 in words is "forty million, five hundred sixty-four thousand, four hundred sixty-two".