1405406274085 has 32 divisors (see below), whose sum is σ = 1860976975104. Its totient is φ = 1018825614400.

The previous prime is 1405406274067. The next prime is 1405406274199. The reversal of 1405406274085 is 5804726045041.

It is a de Polignac number, because none of the positive numbers 2^k-1405406274085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1730187 + ... + 2409223.

It is an arithmetic number, because the mean of its divisors is an integer number (58155530472).

Almost surely, 2^{1405406274085} is an apocalyptic number.

It is an amenable number.

1405406274085 is a deficient number, since it is larger than the sum of its proper divisors (455570701019).

1405406274085 is an equidigital number, since it uses as much as digits as its factorization.

1405406274085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679386 (or 679364 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 1405406274085 in words is "one trillion, four hundred five billion, four hundred six million, two hundred seventy-four thousand, eighty-five".