40305746 has 8 divisors (see below), whose sum is σ = 65109324. Its totient is φ = 18602640.

The previous prime is 40305739. The next prime is 40305751. The reversal of 40305746 is 64750304.

It can be written as a sum of positive squares in 2 ways, for example, as 38925121 + 1380625 = 6239^2 + 1175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775085 + ... + 775136.

Almost surely, 2^40305746 is an apocalyptic number.

40305746 is a deficient number, since it is larger than the sum of its proper divisors (24803578).

40305746 is a wasteful number, since it uses less digits than its factorization.

40305746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550236.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40305746 is about 6348.6806503399. The cubic root of 40305746 is about 342.8643424249.

The spelling of 40305746 in words is "forty million, three hundred five thousand, seven hundred forty-six".