1405265403042 has 48 divisors (see below), whose sum is σ = 3075327133632. Its totient is φ = 463717677600.

The previous prime is 1405265403041. The next prime is 1405265403053. The reversal of 1405265403042 is 2403045625041.

1405265403042 is a `hidden beast` number, since 1 + 40 + 5 + 2 + 6 + 540 + 30 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1405265402988 and 1405265403006.

It is not an unprimeable number, because it can be changed into a prime (1405265403041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13596243 + ... + 13699209.

It is an arithmetic number, because the mean of its divisors is an integer number (64069315284).

Almost surely, 2^{1405265403042} is an apocalyptic number.

1405265403042 is an abundant number, since it is smaller than the sum of its proper divisors (1670061730590).

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

1405265403042 is a wasteful number, since it uses less digits than its factorization.

1405265403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110583 (or 110580 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1405265403042 in words is "one trillion, four hundred five billion, two hundred sixty-five million, four hundred three thousand, forty-two".