2780426010 has 64 divisors (see below), whose sum is σ = 6863155200. Its totient is φ = 720498240.

The previous prime is 2780425997. The next prime is 2780426017. The reversal of 2780426010 is 106240872.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2780426017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251295 + ... + 262125.

It is an arithmetic number, because the mean of its divisors is an integer number (107236800).

Almost surely, 2^2780426010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2780426010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3431577600).

2780426010 is an abundant number, since it is smaller than the sum of its proper divisors (4082729190).

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

2780426010 is a wasteful number, since it uses less digits than its factorization.

2780426010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2780426010 is about 52729.7450211927. The cubic root of 2780426010 is about 1406.1676880611.

Adding to 2780426010 its reverse (106240872), we get a palindrome (2886666882).

The spelling of 2780426010 in words is "two billion, seven hundred eighty million, four hundred twenty-six thousand, ten".