40213315 has 16 divisors (see below), whose sum is σ = 50932800. Its totient is φ = 30418432.

The previous prime is 40213309. The next prime is 40213319. The reversal of 40213315 is 51331204.

40213315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40213315 - 2³ = 40213307 is a prime.

It is a super-2 number, since 2×40213315² = 3234221406578450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40213292 and 40213301.

It is not an unprimeable number, because it can be changed into a prime (40213319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8271 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (3183300).

Almost surely, 2^40213315 is an apocalyptic number.

40213315 is a deficient number, since it is larger than the sum of its proper divisors (10719485).

40213315 is a wasteful number, since it uses less digits than its factorization.

40213315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40213315 is about 6341.3969281224. The cubic root of 40213315 is about 342.6020510363.

Adding to 40213315 its reverse (51331204), we get a palindrome (91544519).

The spelling of 40213315 in words is "forty million, two hundred thirteen thousand, three hundred fifteen".