102010535240 has 128 divisors (see below), whose sum is σ = 252882984960. Its totient is φ = 36877062144.

The previous prime is 102010535233. The next prime is 102010535269. The reversal of 102010535240 is 42535010201.

It is a super-2 number, since 2×102010535240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1663769 + ... + 1723991.

It is an arithmetic number, because the mean of its divisors is an integer number (1975648320).

Almost surely, 2^102010535240 is an apocalyptic number.

102010535240 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 102010535240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126441492480).

102010535240 is an abundant number, since it is smaller than the sum of its proper divisors (150872449720).

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

102010535240 is a wasteful number, since it uses less digits than its factorization.

102010535240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60351 (or 60347 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 102010535240 its reverse (42535010201), we get a palindrome (144545545441).

The spelling of 102010535240 in words is "one hundred two billion, ten million, five hundred thirty-five thousand, two hundred forty".