40464329 has 4 divisors (see below), whose sum is σ = 40554900. Its totient is φ = 40373760.

The previous prime is 40464323. The next prime is 40464341. The reversal of 40464329 is 92346404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35081929 + 5382400 = 5923^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 40464329 - 2⁴ = 40464313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40464295 and 40464304.

It is not an unprimeable number, because it can be changed into a prime (40464323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44612 + ... + 45509.

It is an arithmetic number, because the mean of its divisors is an integer number (10138725).

Almost surely, 2^40464329 is an apocalyptic number.

It is an amenable number.

40464329 is a deficient number, since it is larger than the sum of its proper divisors (90571).

40464329 is an equidigital number, since it uses as much as digits as its factorization.

40464329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90570.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 40464329 is about 6361.1578348599. The cubic root of 40464329 is about 343.3134206777.

The spelling of 40464329 in words is "forty million, four hundred sixty-four thousand, three hundred twenty-nine".