102785209360 has 40 divisors (see below), whose sum is σ = 238989525120. Its totient is φ = 41111690112.

The previous prime is 102785209349. The next prime is 102785209363. The reversal of 102785209360 is 63902587201.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (102785209363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113801 + ... + 2161879.

It is an arithmetic number, because the mean of its divisors is an integer number (5974738128).

Almost surely, 2^102785209360 is an apocalyptic number.

102785209360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102785209360 is an abundant number, since it is smaller than the sum of its proper divisors (136204315760).

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

102785209360 is a wasteful number, since it uses less digits than its factorization.

102785209360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74815 (or 74809 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 102785209360 in words is "one hundred two billion, seven hundred eighty-five million, two hundred nine thousand, three hundred sixty".