1040240212345 has 16 divisors (see below), whose sum is σ = 1249525442880. Its totient is φ = 831367800000.

The previous prime is 1040240212327. The next prime is 1040240212357. The reversal of 1040240212345 is 5432120420401.

It is not a de Polignac number, because 1040240212345 - 2⁵ = 1040240212313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21371446 + ... + 21420064.

It is an arithmetic number, because the mean of its divisors is an integer number (78095340180).

Almost surely, 2^{1040240212345} is an apocalyptic number.

It is an amenable number.

1040240212345 is a deficient number, since it is larger than the sum of its proper divisors (209285230535).

1040240212345 is a wasteful number, since it uses less digits than its factorization.

1040240212345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52776.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1040240212345 its reverse (5432120420401), we get a palindrome (6472360632746).

The spelling of 1040240212345 in words is "one trillion, forty billion, two hundred forty million, two hundred twelve thousand, three hundred forty-five".