40615000221 has 16 divisors (see below), whose sum is σ = 56167004160. Its totient is φ = 26074708800.

The previous prime is 40615000199. The next prime is 40615000243. The reversal of 40615000221 is 12200051604.

It is an interprime number because it is at equal distance from previous prime (40615000199) and next prime (40615000243).

It is not a de Polignac number, because 40615000221 - 2⁶ = 40615000157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40615000421) 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, 576130 + ... + 642771.

It is an arithmetic number, because the mean of its divisors is an integer number (3510437760).

Almost surely, 2^40615000221 is an apocalyptic number.

It is an amenable number.

40615000221 is a deficient number, since it is larger than the sum of its proper divisors (15552003939).

40615000221 is a wasteful number, since it uses less digits than its factorization.

40615000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219316.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 40615000221 its reverse (12200051604), we get a palindrome (52815051825).

The spelling of 40615000221 in words is "forty billion, six hundred fifteen million, two hundred twenty-one", and thus it is an aban number.