102259383440 has 40 divisors (see below), whose sum is σ = 244178832120. Its totient is φ = 39798245376.

The previous prime is 102259383353. The next prime is 102259383469. The reversal of 102259383440 is 44383952201.

It can be written as a sum of positive squares in 4 ways, for example, as 25913272576 + 76346110864 = 160976^2 + 276308^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17270585 + ... + 17276504.

It is an arithmetic number, because the mean of its divisors is an integer number (6104470803).

Almost surely, 2^102259383440 is an apocalyptic number.

102259383440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102259383440 is an abundant number, since it is smaller than the sum of its proper divisors (141919448680).

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

102259383440 is a wasteful number, since it uses less digits than its factorization.

102259383440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34547139 (or 34547133 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 102259383440 in words is "one hundred two billion, two hundred fifty-nine million, three hundred eighty-three thousand, four hundred forty".