1406323644512 has 24 divisors (see below), whose sum is σ = 2771930417256. Its totient is φ = 702341316352.

The previous prime is 1406323644487. The next prime is 1406323644571. The reversal of 1406323644512 is 2154463236041.

It is a super-2 number, since 2×1406323644512² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1406323644512.

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, 25612958 + ... + 25667805.

It is an arithmetic number, because the mean of its divisors is an integer number (115497100719).

Almost surely, 2^{1406323644512} is an apocalyptic number.

It is an amenable number.

1406323644512 is a deficient number, since it is larger than the sum of its proper divisors (1365606772744).

1406323644512 is an equidigital number, since it uses as much as digits as its factorization.

1406323644512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51281630 (or 51281622 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 1406323644512 in words is "one trillion, four hundred six billion, three hundred twenty-three million, six hundred forty-four thousand, five hundred twelve".