40434865 has 8 divisors (see below), whose sum is σ = 48876840. Its totient is φ = 32111232.

The previous prime is 40434859. The next prime is 40434871. The reversal of 40434865 is 56843404.

It is an interprime number because it is at equal distance from previous prime (40434859) and next prime (40434871).

It can be written as a sum of positive squares in 4 ways, for example, as 1147041 + 39287824 = 1071^2 + 6268^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40434865 - 2⁵ = 40434833 is a prime.

It is a super-3 number, since 3×40434865³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40434865.

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, 28830 + ... + 30199.

It is an arithmetic number, because the mean of its divisors is an integer number (6109605).

Almost surely, 2^40434865 is an apocalyptic number.

It is an amenable number.

40434865 is a deficient number, since it is larger than the sum of its proper divisors (8441975).

40434865 is a wasteful number, since it uses less digits than its factorization.

40434865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59171.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 40434865 is about 6358.8414825344. The cubic root of 40434865 is about 343.2300728416.

The spelling of 40434865 in words is "forty million, four hundred thirty-four thousand, eight hundred sixty-five".