40430345 has 8 divisors (see below), whose sum is σ = 48586176. Its totient is φ = 32297776.

The previous prime is 40430339. The next prime is 40430353. The reversal of 40430345 is 54303404.

It is a happy number.

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 40430345 - 2²⁴ = 23653129 is a prime.

It is a super-2 number, since 2×40430345² = 3269225593638050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40430345.

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, 1727 + ... + 9156.

It is an arithmetic number, because the mean of its divisors is an integer number (6073272).

Almost surely, 2^40430345 is an apocalyptic number.

It is an amenable number.

40430345 is a deficient number, since it is larger than the sum of its proper divisors (8155831).

40430345 is a wasteful number, since it uses less digits than its factorization.

40430345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40430345 is about 6358.4860619490. The cubic root of 40430345 is about 343.2172830727.

Adding to 40430345 its reverse (54303404), we get a palindrome (94733749).

The spelling of 40430345 in words is "forty million, four hundred thirty thousand, three hundred forty-five".