2626968240 has 160 divisors (see below), whose sum is σ = 9744584640. Its totient is φ = 646631424.

The previous prime is 2626968209. The next prime is 2626968247. The reversal of 2626968240 is 428696262.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2626968247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18697 + ... + 74856.

It is an arithmetic number, because the mean of its divisors is an integer number (60903654).

Almost surely, 2^2626968240 is an apocalyptic number.

2626968240 is a gapful number since it is divisible by the number (20) 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 2626968240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4872292320).

2626968240 is an abundant number, since it is smaller than the sum of its proper divisors (7117616400).

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

2626968240 is a wasteful number, since it uses less digits than its factorization.

2626968240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93588 (or 93576 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 2626968240 is about 51253.9582861656. The cubic root of 2626968240 is about 1379.8067782402.

The spelling of 2626968240 in words is "two billion, six hundred twenty-six million, nine hundred sixty-eight thousand, two hundred forty".