2203781040 has 80 divisors (see below), whose sum is σ = 7590808800. Its totient is φ = 587674368.

The previous prime is 2203781033. The next prime is 2203781053. The reversal of 2203781040 is 401873022.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2203780995 and 2203781013.

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, 507975 + ... + 512294.

It is an arithmetic number, because the mean of its divisors is an integer number (94885110).

Almost surely, 2^2203781040 is an apocalyptic number.

2203781040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203781040 is an abundant number, since it is smaller than the sum of its proper divisors (5387027760).

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

2203781040 is a wasteful number, since it uses less digits than its factorization.

2203781040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020291 (or 1020279 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2203781040 is about 46944.4463168967. The cubic root of 2203781040 is about 1301.3361095422.

The spelling of 2203781040 in words is "two billion, two hundred three million, seven hundred eighty-one thousand, forty".