40564435 has 12 divisors (see below), whose sum is σ = 49161168. Its totient is φ = 32132016.

The previous prime is 40564429. The next prime is 40564441. The reversal of 40564435 is 53446504.

It is an interprime number because it is at equal distance from previous prime (40564429) and next prime (40564441).

It is a de Polignac number, because none of the positive numbers 2^k-40564435 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40564397 and 40564406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80394 + ... + 80896.

It is an arithmetic number, because the mean of its divisors is an integer number (4096764).

Almost surely, 2^40564435 is an apocalyptic number.

40564435 is a deficient number, since it is larger than the sum of its proper divisors (8596733).

40564435 is an equidigital number, since it uses as much as digits as its factorization.

40564435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 40564435 is about 6369.0215104049. The cubic root of 40564435 is about 343.5962988891.

The spelling of 40564435 in words is "forty million, five hundred sixty-four thousand, four hundred thirty-five".