2102151440430 has 24 divisors (see below), whose sum is σ = 5465593745352. Its totient is φ = 560573717424.

The previous prime is 2102151440339. The next prime is 2102151440449. The reversal of 2102151440430 is 340441512012.

2102151440430 is a `hidden beast` number, since 2 + 1 + 0 + 215 + 1 + 440 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2102151440394 and 2102151440403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11678619024 + ... + 11678619203.

It is an arithmetic number, because the mean of its divisors is an integer number (227733072723).

Almost surely, 2^{2102151440430} is an apocalyptic number.

2102151440430 is an abundant number, since it is smaller than the sum of its proper divisors (3363442304922).

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

2102151440430 is a wasteful number, since it uses less digits than its factorization.

2102151440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357238240 (or 23357238237 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2102151440430 its reverse (340441512012), we get a palindrome (2442592952442).

The spelling of 2102151440430 in words is "two trillion, one hundred two billion, one hundred fifty-one million, four hundred forty thousand, four hundred thirty".