2801955040 has 48 divisors (see below), whose sum is σ = 6626007360. Its totient is φ = 1119700480.

The previous prime is 2801955007. The next prime is 2801955043. The reversal of 2801955040 is 405591082.

It is a junction number, because it is equal to n+sod(n) for n = 2801954987 and 2801955005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801955043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169545 + ... + 185335.

It is an arithmetic number, because the mean of its divisors is an integer number (138041820).

Almost surely, 2^2801955040 is an apocalyptic number.

2801955040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2801955040 is an abundant number, since it is smaller than the sum of its proper divisors (3824052320).

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

2801955040 is a wasteful number, since it uses less digits than its factorization.

2801955040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16915 (or 16907 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2801955040 is about 52933.4963893374. The cubic root of 2801955040 is about 1409.7877117816.

The spelling of 2801955040 in words is "two billion, eight hundred one million, nine hundred fifty-five thousand, forty".