2786426552 has 96 divisors (see below), whose sum is σ = 6643541520. Its totient is φ = 1085736960.

The previous prime is 2786426549. The next prime is 2786426557. The reversal of 2786426552 is 2556246872.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2786426497 and 2786426506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2786426557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337352 + ... + 345512.

Almost surely, 2^2786426552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2786426552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3321770760).

2786426552 is an abundant number, since it is smaller than the sum of its proper divisors (3857114968).

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

2786426552 is a wasteful number, since it uses less digits than its factorization.

2786426552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261 (or 8250 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 2786426552 is about 52786.6133787725. The cubic root of 2786426552 is about 1407.1785290322.

The spelling of 2786426552 in words is "two billion, seven hundred eighty-six million, four hundred twenty-six thousand, five hundred fifty-two".