40430415 has 16 divisors (see below), whose sum is σ = 64808928. Its totient is φ = 21522816.

The previous prime is 40430371. The next prime is 40430419. The reversal of 40430415 is 51403404.

It is not a de Polignac number, because 40430415 - 2⁷ = 40430287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40430391 and 40430400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6997 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (4050558).

Almost surely, 2^40430415 is an apocalyptic number.

40430415 is a deficient number, since it is larger than the sum of its proper divisors (24378513).

40430415 is a wasteful number, since it uses less digits than its factorization.

40430415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40430415 is about 6358.4915664016. The cubic root of 40430415 is about 343.2174811516.

Adding to 40430415 its reverse (51403404), we get a palindrome (91833819).

The spelling of 40430415 in words is "forty million, four hundred thirty thousand, four hundred fifteen".