1405243810672 has 40 divisors (see below), whose sum is σ = 2933006963040. Its totient is φ = 648372399360.

The previous prime is 1405243810631. The next prime is 1405243810709. The reversal of 1405243810672 is 2760183425041.

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, 378772 + ... + 1718707.

It is an arithmetic number, because the mean of its divisors is an integer number (73325174076).

Almost surely, 2^{1405243810672} is an apocalyptic number.

It is an amenable number.

1405243810672 is an abundant number, since it is smaller than the sum of its proper divisors (1527763152368).

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

1405243810672 is a wasteful number, since it uses less digits than its factorization.

1405243810672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100721 (or 2100715 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 1405243810672 in words is "one trillion, four hundred five billion, two hundred forty-three million, eight hundred ten thousand, six hundred seventy-two".