2009800383456 has 96 divisors (see below), whose sum is σ = 5691460487328. Its totient is φ = 618628874240.

The previous prime is 2009800383449. The next prime is 2009800383463. The reversal of 2009800383456 is 6543830089002.

It is an interprime number because it is at equal distance from previous prime (2009800383449) and next prime (2009800383463).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11531385 + ... + 11704376.

It is an arithmetic number, because the mean of its divisors is an integer number (59286046743).

Almost surely, 2^{2009800383456} is an apocalyptic number.

It is an amenable number.

2009800383456 is an abundant number, since it is smaller than the sum of its proper divisors (3681660103872).

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

2009800383456 is a wasteful number, since it uses less digits than its factorization.

2009800383456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23235844 (or 23235836 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 2009800383456 in words is "two trillion, nine billion, eight hundred million, three hundred eighty-three thousand, four hundred fifty-six".