40500213 has 16 divisors (see below), whose sum is σ = 58469376. Its totient is φ = 24788160.

The previous prime is 40500209. The next prime is 40500241. The reversal of 40500213 is 31200504.

It is not a de Polignac number, because 40500213 - 2² = 40500209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40500192 and 40500201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40500203) 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, 4731 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (3654336).

Almost surely, 2^40500213 is an apocalyptic number.

It is an amenable number.

40500213 is a deficient number, since it is larger than the sum of its proper divisors (17969163).

40500213 is a wasteful number, since it uses less digits than its factorization.

40500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40500213 is about 6363.9777655174. The cubic root of 40500213 is about 343.4148747998.

Adding to 40500213 its reverse (31200504), we get a palindrome (71700717).

The spelling of 40500213 in words is "forty million, five hundred thousand, two hundred thirteen".