40743119666 has 16 divisors (see below), whose sum is σ = 66287947320. Its totient is φ = 18705592320.

The previous prime is 40743119657. The next prime is 40743119693. The reversal of 40743119666 is 66691134704.

It can be written as a sum of positive squares in 4 ways, for example, as 27017825641 + 13725294025 = 164371^2 + 117155^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40743119666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14612351 + ... + 14615138.

Almost surely, 2^40743119666 is an apocalyptic number.

40743119666 is a deficient number, since it is larger than the sum of its proper divisors (25544827654).

40743119666 is a wasteful number, since it uses less digits than its factorization.

40743119666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29227549.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 40743119666 in words is "forty billion, seven hundred forty-three million, one hundred nineteen thousand, six hundred sixty-six".