102402333140 has 24 divisors (see below), whose sum is σ = 215060688360. Its totient is φ = 40957925888.

The previous prime is 102402333091. The next prime is 102402333149. The reversal of 102402333140 is 41333204201.

It can be written as a sum of positive squares in 4 ways, for example, as 24225054736 + 78177278404 = 155644^2 + 279602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402333149) 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, 102176 + ... + 463944.

It is an arithmetic number, because the mean of its divisors is an integer number (8960862015).

Almost surely, 2^102402333140 is an apocalyptic number.

102402333140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102402333140 is an abundant number, since it is smaller than the sum of its proper divisors (112658355220).

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

102402333140 is a wasteful number, since it uses less digits than its factorization.

102402333140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375931 (or 375929 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 102402333140 its reverse (41333204201), we get a palindrome (143735537341).

The spelling of 102402333140 in words is "one hundred two billion, four hundred two million, three hundred thirty-three thousand, one hundred forty".