40660459046 has 16 divisors (see below), whose sum is σ = 61191132480. Its totient is φ = 20263448040.

The previous prime is 40660459039. The next prime is 40660459051. The reversal of 40660459046 is 64095406604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40660458988 and 40660459006.

It is a congruent number.

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, 3958265 + ... + 3968523.

It is an arithmetic number, because the mean of its divisors is an integer number (3824445780).

Almost surely, 2^40660459046 is an apocalyptic number.

40660459046 is a deficient number, since it is larger than the sum of its proper divisors (20530673434).

40660459046 is a wasteful number, since it uses less digits than its factorization.

40660459046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16579.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 40660459046 in words is "forty billion, six hundred sixty million, four hundred fifty-nine thousand, forty-six".