2340402102 has 72 divisors (see below), whose sum is σ = 5516273880. Its totient is φ = 715132800.

The previous prime is 2340402089. The next prime is 2340402149. The reversal of 2340402102 is 2012040432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 325102 + ... + 332222.

It is an arithmetic number, because the mean of its divisors is an integer number (76614915).

Almost surely, 2^2340402102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340402102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758136940).

2340402102 is an abundant number, since it is smaller than the sum of its proper divisors (3175871778).

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

2340402102 is a wasteful number, since it uses less digits than its factorization.

2340402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210 (or 7176 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2340402102 is about 48377.7025291611. The cubic root of 2340402102 is about 1327.6904349780.

Adding to 2340402102 its reverse (2012040432), we get a palindrome (4352442534).

The spelling of 2340402102 in words is "two billion, three hundred forty million, four hundred two thousand, one hundred two".