1026826240 has 224 divisors, whose sum is σ = 2802672576. Its totient is φ = 357826560.

The previous prime is 1026826223. The next prime is 1026826247. The reversal of 1026826240 is 426286201.

It is not an unprimeable number, because it can be changed into a prime (1026826247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19374054 + ... + 19374106.

Almost surely, 2^1026826240 is an apocalyptic number.

1026826240 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 1026826240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401336288).

1026826240 is an abundant number, since it is smaller than the sum of its proper divisors (1775846336).

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

1026826240 is an equidigital number, since it uses as much as digits as its factorization.

1026826240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1026826240 is about 32044.1295715768. The cubic root of 1026826240 is about 1008.8632899966.

The spelling of 1026826240 in words is "one billion, twenty-six million, eight hundred twenty-six thousand, two hundred forty".