2102402441040 has 160 divisors (see below), whose sum is σ = 7111583436672. Its totient is φ = 509555712000.

The previous prime is 2102402441023. The next prime is 2102402441099. The reversal of 2102402441040 is 401442042012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2102402441040.

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, 11634580 + ... + 11813900.

Almost surely, 2^{2102402441040} is an apocalyptic number.

2102402441040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102402441040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3555791718336).

2102402441040 is an abundant number, since it is smaller than the sum of its proper divisors (5009180995632).

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

2102402441040 is a wasteful number, since it uses less digits than its factorization.

2102402441040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183789 (or 183783 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 2102402441040 its reverse (401442042012), we get a palindrome (2503844483052).

The spelling of 2102402441040 in words is "two trillion, one hundred two billion, four hundred two million, four hundred forty-one thousand, forty".