102025555220240 has 40 divisors (see below), whose sum is σ = 237342455711808. Its totient is φ = 40787333516160.

The previous prime is 102025555220227. The next prime is 102025555220249. The reversal of 102025555220240 is 42022555520201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102025555220240.

It is not an unprimeable number, because it can be changed into a prime (102025555220249) 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 7 ways as a sum of consecutive naturals, for example, 357490406 + ... + 357775685.

Almost surely, 2^{102025555220240} is an apocalyptic number.

102025555220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102025555220240 is an abundant number, since it is smaller than the sum of its proper divisors (135316900491568).

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

102025555220240 is a wasteful number, since it uses less digits than its factorization.

102025555220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715267887 (or 715267881 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 102025555220240 in words is "one hundred two trillion, twenty-five billion, five hundred fifty-five million, two hundred twenty thousand, two hundred forty".