40670723903406 has 32 divisors (see below), whose sum is σ = 81374948427168. Its totient is φ = 13551325347840.

The previous prime is 40670723903351. The next prime is 40670723903419. The reversal of 40670723903406 is 60430932707604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214344216 + ... + 214533876.

It is an arithmetic number, because the mean of its divisors is an integer number (2542967138349).

Almost surely, 2^{40670723903406} is an apocalyptic number.

40670723903406 is an abundant number, since it is smaller than the sum of its proper divisors (40704224523762).

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

40670723903406 is a wasteful number, since it uses less digits than its factorization.

40670723903406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204196.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 40670723903406 in words is "forty trillion, six hundred seventy billion, seven hundred twenty-three million, nine hundred three thousand, four hundred six".