1406323644506 has 8 divisors (see below), whose sum is σ = 2301256872864. Its totient is φ = 639238020220.

The previous prime is 1406323644487. The next prime is 1406323644571. The reversal of 1406323644506 is 6054463236041.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 31961900990 + ... + 31961901033.

It is an arithmetic number, because the mean of its divisors is an integer number (287657109108).

Almost surely, 2^{1406323644506} is an apocalyptic number.

1406323644506 is a deficient number, since it is larger than the sum of its proper divisors (894933228358).

1406323644506 is a wasteful number, since it uses less digits than its factorization.

1406323644506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63923802036.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 1406323644506 in words is "one trillion, four hundred six billion, three hundred twenty-three million, six hundred forty-four thousand, five hundred six".