40016632723217 has 16 divisors (see below), whose sum is σ = 41594763288960. Its totient is φ = 38464671514752.

The previous prime is 40016632723213. The next prime is 40016632723241. The reversal of 40016632723217 is 71232723661004.

It is a cyclic number.

It is not a de Polignac number, because 40016632723217 - 2² = 40016632723213 is a prime.

It is a super-2 number, since 2×40016632723217² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40016632723211) 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, 94938509 + ... + 95359077.

It is an arithmetic number, because the mean of its divisors is an integer number (2599672705560).

Almost surely, 2^{40016632723217} is an apocalyptic number.

It is an amenable number.

40016632723217 is a deficient number, since it is larger than the sum of its proper divisors (1578130565743).

40016632723217 is a wasteful number, since it uses less digits than its factorization.

40016632723217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451672.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 40016632723217 in words is "forty trillion, sixteen billion, six hundred thirty-two million, seven hundred twenty-three thousand, two hundred seventeen".