1540541441012 has 48 divisors (see below), whose sum is σ = 3129643321728. Its totient is φ = 649842462720.

The previous prime is 1540541441011. The next prime is 1540541441051. The reversal of 1540541441012 is 2101441450451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540541441012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540541441011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1945712 + ... + 2620472.

It is an arithmetic number, because the mean of its divisors is an integer number (65200902536).

Almost surely, 2^{1540541441012} is an apocalyptic number.

It is an amenable number.

1540541441012 is an abundant number, since it is smaller than the sum of its proper divisors (1589101880716).

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

1540541441012 is a wasteful number, since it uses less digits than its factorization.

1540541441012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676056 (or 676054 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 1540541441012 its reverse (2101441450451), we get a palindrome (3641982891463).

The spelling of 1540541441012 in words is "one trillion, five hundred forty billion, five hundred forty-one million, four hundred forty-one thousand, twelve".