40304845 has 16 divisors (see below), whose sum is σ = 56625408. Its totient is φ = 26962560.

The previous prime is 40304839. The next prime is 40304851. The reversal of 40304845 is 54840304.

It is an interprime number because it is at equal distance from previous prime (40304839) and next prime (40304851).

It is not a de Polignac number, because 40304845 - 2³ = 40304837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12609 + ... + 15478.

It is an arithmetic number, because the mean of its divisors is an integer number (3539088).

Almost surely, 2^40304845 is an apocalyptic number.

It is an amenable number.

40304845 is a deficient number, since it is larger than the sum of its proper divisors (16320563).

40304845 is a wasteful number, since it uses less digits than its factorization.

40304845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40304845 is about 6348.6096903180. The cubic root of 40304845 is about 342.8617875942.

The spelling of 40304845 in words is "forty million, three hundred four thousand, eight hundred forty-five".