40016565351644 has 12 divisors (see below), whose sum is σ = 80033130703344. Its totient is φ = 17149956579264.

The previous prime is 40016565351551. The next prime is 40016565351667. The reversal of 40016565351644 is 44615356561004.

40016565351644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40016565351592 and 40016565351601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714581524109 + ... + 714581524164.

It is an arithmetic number, because the mean of its divisors is an integer number (6669427558612).

Almost surely, 2^{40016565351644} is an apocalyptic number.

It is an amenable number.

40016565351644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40016565351644 is a wasteful number, since it uses less digits than its factorization.

40016565351644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429163048284 (or 1429163048282 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 40016565351644 in words is "forty trillion, sixteen billion, five hundred sixty-five million, three hundred fifty-one thousand, six hundred forty-four".