2813761240 has 32 divisors (see below), whose sum is σ = 6420137760. Its totient is φ = 1109651200.

The previous prime is 2813761231. The next prime is 2813761253. The reversal of 2813761240 is 421673182.

It is a junction number, because it is equal to n+sod(n) for n = 2813761196 and 2813761205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492541 + ... + 498220.

It is an arithmetic number, because the mean of its divisors is an integer number (200629305).

Almost surely, 2^2813761240 is an apocalyptic number.

2813761240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2813761240 is an abundant number, since it is smaller than the sum of its proper divisors (3606376520).

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

2813761240 is a wasteful number, since it uses less digits than its factorization.

2813761240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990843 (or 990839 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2813761240 is about 53044.8983409338. The cubic root of 2813761240 is about 1411.7650113058.

The spelling of 2813761240 in words is "two billion, eight hundred thirteen million, seven hundred sixty-one thousand, two hundred forty".