102402040110 has 64 divisors (see below), whose sum is σ = 247050984960. Its totient is φ = 27164670080.

The previous prime is 102402040087. The next prime is 102402040163. The reversal of 102402040110 is 11040204201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102402040110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4738189 + ... + 4759751.

It is an arithmetic number, because the mean of its divisors is an integer number (3860171640).

Almost surely, 2^102402040110 is an apocalyptic number.

102402040110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102402040110 is an abundant number, since it is smaller than the sum of its proper divisors (144648944850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102402040110 is a wasteful number, since it uses less digits than its factorization.

102402040110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22393.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102402040110 its reverse (11040204201), we get a palindrome (113442244311).

The spelling of 102402040110 in words is "one hundred two billion, four hundred two million, forty thousand, one hundred ten".