2812242040 has 32 divisors (see below), whose sum is σ = 6330149280. Its totient is φ = 1124433792.

The previous prime is 2812241989. The next prime is 2812242047. The reversal of 2812242040 is 402422182.

It is a junction number, because it is equal to n+sod(n) for n = 2812241996 and 2812242014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812242047) 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, 93949 + ... + 120211.

It is an arithmetic number, because the mean of its divisors is an integer number (197817165).

Almost surely, 2^2812242040 is an apocalyptic number.

2812242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2812242040 is an abundant number, since it is smaller than the sum of its proper divisors (3517907240).

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

2812242040 is a wasteful number, since it uses less digits than its factorization.

2812242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28951 (or 28947 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 2812242040 is about 53030.5764630180. The cubic root of 2812242040 is about 1411.5108865080.

The spelling of 2812242040 in words is "two billion, eight hundred twelve million, two hundred forty-two thousand, forty".