102068440 has 32 divisors (see below), whose sum is σ = 229988160. Its totient is φ = 40768000.

The previous prime is 102068423. The next prime is 102068441. The reversal of 102068440 is 44860201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102068441) 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, 35040 + ... + 37840.

It is an arithmetic number, because the mean of its divisors is an integer number (7187130).

Almost surely, 2^102068440 is an apocalyptic number.

102068440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102068440 is an abundant number, since it is smaller than the sum of its proper divisors (127919720).

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

102068440 is a wasteful number, since it uses less digits than its factorization.

102068440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 102068440 is about 10102.8926550766. The cubic root of 102068440 is about 467.3373508369.

The spelling of 102068440 in words is "one hundred two million, sixty-eight thousand, four hundred forty".