40304765 has 4 divisors (see below), whose sum is σ = 48365724. Its totient is φ = 32243808.

The previous prime is 40304753. The next prime is 40304777. The reversal of 40304765 is 56740304.

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

It is an interprime number because it is at equal distance from previous prime (40304753) and next prime (40304777).

It can be written as a sum of positive squares in 2 ways, for example, as 4280761 + 36024004 = 2069^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 40304765 - 2⁴ = 40304749 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4030472 + ... + 4030481.

It is an arithmetic number, because the mean of its divisors is an integer number (12091431).

Almost surely, 2^40304765 is an apocalyptic number.

It is an amenable number.

40304765 is a deficient number, since it is larger than the sum of its proper divisors (8060959).

40304765 is an equidigital number, since it uses as much as digits as its factorization.

40304765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060958.

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

The square root of 40304765 is about 6348.6033897228. The cubic root of 40304765 is about 342.8615607483.

The spelling of 40304765 in words is "forty million, three hundred four thousand, seven hundred sixty-five".