40108664842215 has 16 divisors (see below), whose sum is σ = 64175107534848. Its totient is φ = 21390873320096.

The previous prime is 40108664842201. The next prime is 40108664842249. The reversal of 40108664842215 is 51224846680104.

It is a cyclic number.

It is not a de Polignac number, because 40108664842215 - 2¹⁹ = 40108664317927 is a prime.

It is a super-2 number, since 2×40108664842215² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25111707 + ... + 26661116.

It is an arithmetic number, because the mean of its divisors is an integer number (4010944220928).

Almost surely, 2^{40108664842215} is an apocalyptic number.

40108664842215 is a deficient number, since it is larger than the sum of its proper divisors (24066442692633).

40108664842215 is a wasteful number, since it uses less digits than its factorization.

40108664842215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51824478.

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 40108664842215 in words is "forty trillion, one hundred eight billion, six hundred sixty-four million, eight hundred forty-two thousand, two hundred fifteen".