102038340 has 48 divisors (see below), whose sum is σ = 292682880. Its totient is φ = 26545920.

The previous prime is 102038311. The next prime is 102038347. The reversal of 102038340 is 43830201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102038347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18280 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (6097560).

Almost surely, 2^102038340 is an apocalyptic number.

102038340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102038340 is an abundant number, since it is smaller than the sum of its proper divisors (190644540).

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

102038340 is a wasteful number, since it uses less digits than its factorization.

102038340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41532 (or 41530 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102038340 is about 10101.4028728687. The cubic root of 102038340 is about 467.2914070327.

Adding to 102038340 its reverse (43830201), we get a palindrome (145868541).

It can be divided in two parts, 102038 and 340, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 102038340 in words is "one hundred two million, thirty-eight thousand, three hundred forty".