102560407440 has 80 divisors (see below), whose sum is σ = 328193327616. Its totient is φ = 26467200000.

The previous prime is 102560407429. The next prime is 102560407441. The reversal of 102560407440 is 44704065201.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (102560407441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6885061 + ... + 6899940.

Almost surely, 2^102560407440 is an apocalyptic number.

102560407440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102560407440 is an abundant number, since it is smaller than the sum of its proper divisors (225632920176).

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

102560407440 is a wasteful number, since it uses less digits than its factorization.

102560407440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785048 (or 13785042 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 102560407440 in words is "one hundred two billion, five hundred sixty million, four hundred seven thousand, four hundred forty".