102368449620 has 144 divisors (see below), whose sum is σ = 323820020160. Its totient is φ = 27145518336.

The previous prime is 102368449607. The next prime is 102368449621. The reversal of 102368449620 is 26944863201.

102368449620 is a `hidden beast` number, since 10 + 2 + 3 + 6 + 8 + 4 + 4 + 9 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102368449621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 811104 + ... + 928776.

It is an arithmetic number, because the mean of its divisors is an integer number (2248750140).

Almost surely, 2^102368449620 is an apocalyptic number.

102368449620 is a gapful number since it is divisible by the number (10) 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 102368449620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161910010080).

102368449620 is an abundant number, since it is smaller than the sum of its proper divisors (221451570540).

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

102368449620 is a wasteful number, since it uses less digits than its factorization.

102368449620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117876 (or 117862 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 102368449620 in words is "one hundred two billion, three hundred sixty-eight million, four hundred forty-nine thousand, six hundred twenty".