1544405051342 has 12 divisors (see below), whose sum is σ = 2399245186416. Its totient is φ = 745574851560.

The previous prime is 1544405051341. The next prime is 1544405051381. The reversal of 1544405051342 is 2431505044451.

It is a super-2 number, since 2×1544405051342² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1544405051296 and 1544405051305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1544405051341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459096134 + ... + 459099497.

It is an arithmetic number, because the mean of its divisors is an integer number (199937098868).

Almost surely, 2^{1544405051342} is an apocalyptic number.

1544405051342 is a deficient number, since it is larger than the sum of its proper divisors (854840135074).

1544405051342 is an equidigital number, since it uses as much as digits as its factorization.

1544405051342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918195691 (or 918195662 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 1544405051342 in words is "one trillion, five hundred forty-four billion, four hundred five million, fifty-one thousand, three hundred forty-two".