102440880 has 120 divisors (see below), whose sum is σ = 348578880. Its totient is φ = 26956800.

The previous prime is 102440879. The next prime is 102440893. The reversal of 102440880 is 88044201.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55980 + ... + 57780.

It is an arithmetic number, because the mean of its divisors is an integer number (2904824).

Almost surely, 2^102440880 is an apocalyptic number.

102440880 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 102440880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174289440).

102440880 is an abundant number, since it is smaller than the sum of its proper divisors (246138000).

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

102440880 is a wasteful number, since it uses less digits than its factorization.

102440880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 102440880 is about 10121.3082158385. The cubic root of 102440880 is about 467.9050870422.

The spelling of 102440880 in words is "one hundred two million, four hundred forty thousand, eight hundred eighty".