1540310420514 has 16 divisors (see below), whose sum is σ = 3080703117600. Its totient is φ = 513423094080.

The previous prime is 1540310420513. The next prime is 1540310420549. The reversal of 1540310420514 is 4150240130451.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1540310420513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183472 + ... + 3635259.

It is an arithmetic number, because the mean of its divisors is an integer number (192543944850).

Almost surely, 2^{1540310420514} is an apocalyptic number.

1540310420514 is an abundant number, since it is smaller than the sum of its proper divisors (1540392697086).

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

1540310420514 is a wasteful number, since it uses less digits than its factorization.

1540310420514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856385.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1540310420514 its reverse (4150240130451), we get a palindrome (5690550550965).

The spelling of 1540310420514 in words is "one trillion, five hundred forty billion, three hundred ten million, four hundred twenty thousand, five hundred fourteen".