2788440546 has 16 divisors (see below), whose sum is σ = 5727608064. Its totient is φ = 904359024.

The previous prime is 2788440503. The next prime is 2788440547. The reversal of 2788440546 is 6450448872.

It is a junction number, because it is equal to n+sod(n) for n = 2788440495 and 2788440504.

It is not an unprimeable number, because it can be changed into a prime (2788440547) 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, 6280050 + ... + 6280493.

It is an arithmetic number, because the mean of its divisors is an integer number (357975504).

Almost surely, 2^2788440546 is an apocalyptic number.

2788440546 is an abundant number, since it is smaller than the sum of its proper divisors (2939167518).

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

2788440546 is a wasteful number, since it uses less digits than its factorization.

2788440546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560585.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The square root of 2788440546 is about 52805.6866824019. The cubic root of 2788440546 is about 1407.5174776856.

The spelling of 2788440546 in words is "two billion, seven hundred eighty-eight million, four hundred forty thousand, five hundred forty-six".