40216233631 has 32 divisors (see below), whose sum is σ = 49158816768. Its totient is φ = 32157734400.

The previous prime is 40216233599. The next prime is 40216233641. The reversal of 40216233631 is 13633261204.

40216233631 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 40216233631 - 2⁵ = 40216233599 is a prime.

It is a super-2 number, since 2×40216233631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40216233593 and 40216233602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216233641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071031 + ... + 1107943.

It is an arithmetic number, because the mean of its divisors is an integer number (1536213024).

Almost surely, 2^40216233631 is an apocalyptic number.

40216233631 is a deficient number, since it is larger than the sum of its proper divisors (8942583137).

40216233631 is a wasteful number, since it uses less digits than its factorization.

40216233631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37111.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 40216233631 its reverse (13633261204), we get a palindrome (53849494835).

The spelling of 40216233631 in words is "forty billion, two hundred sixteen million, two hundred thirty-three thousand, six hundred thirty-one".