102440040343 has 8 divisors (see below), whose sum is σ = 105360972080. Its totient is φ = 99527123520.

The previous prime is 102440040319. The next prime is 102440040383. The reversal of 102440040343 is 343040044201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102440040343 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1977798 + ... + 2028931.

It is an arithmetic number, because the mean of its divisors is an integer number (13170121510).

Almost surely, 2^102440040343 is an apocalyptic number.

102440040343 is a deficient number, since it is larger than the sum of its proper divisors (2920931737).

102440040343 is an equidigital number, since it uses as much as digits as its factorization.

102440040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007457.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 102440040343 its reverse (343040044201), we get a palindrome (445480084544).

The spelling of 102440040343 in words is "one hundred two billion, four hundred forty million, forty thousand, three hundred forty-three".