2009464617860 has 96 divisors (see below), whose sum is σ = 4844229401088. Its totient is φ = 685887621120.

The previous prime is 2009464617859. The next prime is 2009464617887. The reversal of 2009464617860 is 687164649002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140250017 + ... + 140264343.

It is an arithmetic number, because the mean of its divisors is an integer number (50460722928).

Almost surely, 2^{2009464617860} is an apocalyptic number.

2009464617860 is a gapful number since it is divisible by the number (20) 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 2009464617860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422114700544).

2009464617860 is an abundant number, since it is smaller than the sum of its proper divisors (2834764783228).

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

2009464617860 is a wasteful number, since it uses less digits than its factorization.

2009464617860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741 (or 18739 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 2009464617860 in words is "two trillion, nine billion, four hundred sixty-four million, six hundred seventeen thousand, eight hundred sixty".