2903581240 has 96 divisors (see below), whose sum is σ = 7669965600. Its totient is φ = 986307840.

The previous prime is 2903581231. The next prime is 2903581267. The reversal of 2903581240 is 421853092.

It is a junction number, because it is equal to n+sod(n) for n = 2903581196 and 2903581205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206845 + ... + 220435.

It is an arithmetic number, because the mean of its divisors is an integer number (79895475).

Almost surely, 2^2903581240 is an apocalyptic number.

2903581240 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 2903581240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3834982800).

2903581240 is an abundant number, since it is smaller than the sum of its proper divisors (4766384360).

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

2903581240 is a wasteful number, since it uses less digits than its factorization.

2903581240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13725 (or 13714 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2903581240 is about 53884.8887908289. Note that the first 3 decimals coincide. The cubic root of 2903581240 is about 1426.6299174839.

The spelling of 2903581240 in words is "two billion, nine hundred three million, five hundred eighty-one thousand, two hundred forty".