1040242340101 has 4 divisors (see below), whose sum is σ = 1041347805804. Its totient is φ = 1039136874400.

The previous prime is 1040242340099. The next prime is 1040242340239. The reversal of 1040242340101 is 1010432420401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 627501622500 + 412740717601 = 792150^2 + 642449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040242340101 - 2¹ = 1040242340099 is a prime.

It is a super-2 number, since 2×1040242340101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040242340801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552731440 + ... + 552733321.

It is an arithmetic number, because the mean of its divisors is an integer number (260336951451).

Almost surely, 2^{1040242340101} is an apocalyptic number.

It is an amenable number.

1040242340101 is a deficient number, since it is larger than the sum of its proper divisors (1105465703).

1040242340101 is an equidigital number, since it uses as much as digits as its factorization.

1040242340101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105465702.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1040242340101 its reverse (1010432420401), we get a palindrome (2050674760502).

The spelling of 1040242340101 in words is "one trillion, forty billion, two hundred forty-two million, three hundred forty thousand, one hundred one".