102630338457780 has 144 divisors (see below), whose sum is σ = 334477290954240. Its totient is φ = 23444635560192.

The previous prime is 102630338457769. The next prime is 102630338457797. The reversal of 102630338457780 is 87754833036201.

It is a self number, because there is not a number n which added to its sum of digits gives 102630338457780.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5188612 + ... + 15237531.

It is an arithmetic number, because the mean of its divisors is an integer number (2322758964960).

Almost surely, 2^{102630338457780} is an apocalyptic number.

102630338457780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102630338457780 is an abundant number, since it is smaller than the sum of its proper divisors (231846952496460).

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

102630338457780 is a wasteful number, since it uses less digits than its factorization.

102630338457780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20427878 (or 20427869 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 102630338457780 in words is "one hundred two trillion, six hundred thirty billion, three hundred thirty-eight million, four hundred fifty-seven thousand, seven hundred eighty".