2626990344 has 288 divisors, whose sum is σ = 8246085120. Its totient is φ = 753984000.

The previous prime is 2626990321. The next prime is 2626990351. The reversal of 2626990344 is 4430996262.

It is a self number, because there is not a number n which added to its sum of digits gives 2626990344.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19175044 + ... + 19175180.

It is an arithmetic number, because the mean of its divisors is an integer number (28632240).

Almost surely, 2^2626990344 is an apocalyptic number.

2626990344 is a gapful number since it is divisible by the number (24) 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 2626990344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4123042560).

2626990344 is an abundant number, since it is smaller than the sum of its proper divisors (5619094776).

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

2626990344 is a wasteful number, since it uses less digits than its factorization.

2626990344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 2626990344 is about 51254.1739178381. The cubic root of 2626990344 is about 1379.8106482481.

The spelling of 2626990344 in words is "two billion, six hundred twenty-six million, nine hundred ninety thousand, three hundred forty-four".