40746566 has 16 divisors (see below), whose sum is σ = 72260640. Its totient is φ = 16860480.

The previous prime is 40746533. The next prime is 40746571. The reversal of 40746566 is 66564704.

It is a congruent number.

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, 49775 + ... + 50586.

It is an arithmetic number, because the mean of its divisors is an integer number (4516290).

Almost surely, 2^40746566 is an apocalyptic number.

40746566 is a deficient number, since it is larger than the sum of its proper divisors (31514074).

40746566 is a wasteful number, since it uses less digits than its factorization.

40746566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100399.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 40746566 is about 6383.3036900965. The cubic root of 40746566 is about 344.1097709444.

It can be divided in two parts, 40746 and 566, that multiplied together give a triangular number (23062236 = T₆₇₉₁).

The spelling of 40746566 in words is "forty million, seven hundred forty-six thousand, five hundred sixty-six".