102440040303 has 16 divisors (see below), whose sum is σ = 139316468096. Its totient is φ = 66936399840.

The previous prime is 102440040293. The next prime is 102440040319. The reversal of 102440040303 is 303040044201.

It is not a de Polignac number, because 102440040303 - 2¹⁰ = 102440039279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102440040303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102440040383) 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, 937225 + ... + 1040802.

It is an arithmetic number, because the mean of its divisors is an integer number (8707279256).

Almost surely, 2^102440040303 is an apocalyptic number.

102440040303 is a deficient number, since it is larger than the sum of its proper divisors (36876427793).

102440040303 is a wasteful number, since it uses less digits than its factorization.

102440040303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978374.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 102440040303 its reverse (303040044201), we get a palindrome (405480084504).

The spelling of 102440040303 in words is "one hundred two billion, four hundred forty million, forty thousand, three hundred three".