10426780 has 96 divisors (see below), whose sum is σ = 28619136. Its totient is φ = 3096576.

The previous prime is 10426777. The next prime is 10426781. The reversal of 10426780 is 8762401.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10426781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30772 + ... + 31108.

It is an arithmetic number, because the mean of its divisors is an integer number (298116).

Almost surely, 2^10426780 is an apocalyptic number.

10426780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10426780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14309568).

10426780 is an abundant number, since it is smaller than the sum of its proper divisors (18192356).

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

10426780 is a wasteful number, since it uses less digits than its factorization.

10426780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 10426780 is about 3229.0524926052. The cubic root of 10426780 is about 218.4657718064.

The spelling of 10426780 in words is "ten million, four hundred twenty-six thousand, seven hundred eighty".