1540222051441 has 8 divisors (see below), whose sum is σ = 1574443208160. Its totient is φ = 1506271418112.

The previous prime is 1540222051421. The next prime is 1540222051453. The reversal of 1540222051441 is 1441502220451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540222051441 - 2⁹ = 1540222050929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1540222051411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67619335 + ... + 67642108.

It is an arithmetic number, because the mean of its divisors is an integer number (196805401020).

Almost surely, 2^{1540222051441} is an apocalyptic number.

It is an amenable number.

1540222051441 is a deficient number, since it is larger than the sum of its proper divisors (34221156719).

1540222051441 is a wasteful number, since it uses less digits than its factorization.

1540222051441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135261695.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 1540222051441 its reverse (1441502220451), we get a palindrome (2981724271892).

The spelling of 1540222051441 in words is "one trillion, five hundred forty billion, two hundred twenty-two million, fifty-one thousand, four hundred forty-one".