102440040302 has 16 divisors (see below), whose sum is σ = 154077485280. Its totient is φ = 51080930208.

The previous prime is 102440040293. The next prime is 102440040319. The reversal of 102440040302 is 203040044201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5546399 + ... + 5564837.

It is an arithmetic number, because the mean of its divisors is an integer number (9629842830).

Almost surely, 2^102440040302 is an apocalyptic number.

102440040302 is a deficient number, since it is larger than the sum of its proper divisors (51637444978).

102440040302 is a wasteful number, since it uses less digits than its factorization.

102440040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25835.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 102440040302 its reverse (203040044201), we get a palindrome (305480084503).

The spelling of 102440040302 in words is "one hundred two billion, four hundred forty million, forty thousand, three hundred two".