102380196726 has 96 divisors (see below), whose sum is σ = 236241427968. Its totient is φ = 33214756320.

The previous prime is 102380196673. The next prime is 102380196727. The reversal of 102380196726 is 627691083201.

102380196726 is a `hidden beast` number, since 10 + 2 + 380 + 196 + 72 + 6 = 666.

It is a super-2 number, since 2×102380196726² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102380196727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4122021 + ... + 4146783.

It is an arithmetic number, because the mean of its divisors is an integer number (2460848208).

Almost surely, 2^102380196726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102380196726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118120713984).

102380196726 is an abundant number, since it is smaller than the sum of its proper divisors (133861231242).

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

102380196726 is a wasteful number, since it uses less digits than its factorization.

102380196726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25008 (or 24996 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 102380196726 in words is "one hundred two billion, three hundred eighty million, one hundred ninety-six thousand, seven hundred twenty-six".