40216351631 has 16 divisors (see below), whose sum is σ = 43140644064. Its totient is φ = 37355096064.

The previous prime is 40216351627. The next prime is 40216351657. The reversal of 40216351631 is 13615361204.

It is not a de Polignac number, because 40216351631 - 2² = 40216351627 is a prime.

It is a super-2 number, since 2×40216351631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216351531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363961 + ... + 1393133.

It is an arithmetic number, because the mean of its divisors is an integer number (2696290254).

Almost surely, 2^40216351631 is an apocalyptic number.

40216351631 is a deficient number, since it is larger than the sum of its proper divisors (2924292433).

40216351631 is a wasteful number, since it uses less digits than its factorization.

40216351631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 40216351631 in words is "forty billion, two hundred sixteen million, three hundred fifty-one thousand, six hundred thirty-one".