2102030342040 has 64 divisors (see below), whose sum is σ = 6325142780160. Its totient is φ = 558847935360.

The previous prime is 2102030342039. The next prime is 2102030342077. The reversal of 2102030342040 is 402430302012.

It is a junction number, because it is equal to n+sod(n) for n = 2102030341998 and 2102030342016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26420884 + ... + 26500323.

It is an arithmetic number, because the mean of its divisors is an integer number (98830355940).

Almost surely, 2^{2102030342040} is an apocalyptic number.

2102030342040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102030342040 is an abundant number, since it is smaller than the sum of its proper divisors (4223112438120).

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

2102030342040 is a wasteful number, since it uses less digits than its factorization.

2102030342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52921552 (or 52921548 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2102030342040 its reverse (402430302012), we get a palindrome (2504460644052).

The spelling of 2102030342040 in words is "two trillion, one hundred two billion, thirty million, three hundred forty-two thousand, forty".