2801665080 has 48 divisors (see below), whose sum is σ = 9105412680. Its totient is φ = 747110592.

The previous prime is 2801665067. The next prime is 2801665103. The reversal of 2801665080 is 805661082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3890842 + ... + 3891561.

Almost surely, 2^2801665080 is an apocalyptic number.

2801665080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2801665080 is an abundant number, since it is smaller than the sum of its proper divisors (6303747600).

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

2801665080 is a wasteful number, since it uses less digits than its factorization.

2801665080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782420 (or 7782413 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2801665080 is about 52930.7574100352. The cubic root of 2801665080 is about 1409.7390795301.

It can be divided in two parts, 28016 and 65080, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 2801665080 in words is "two billion, eight hundred one million, six hundred sixty-five thousand, eighty".