2626491000 has 256 divisors, whose sum is σ = 9430686720. Its totient is φ = 596160000.

The previous prime is 2626490947. The next prime is 2626491031. The reversal of 2626491000 is 1946262.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3800655 + ... + 3801345.

It is an arithmetic number, because the mean of its divisors is an integer number (36838620).

Almost surely, 2^2626491000 is an apocalyptic number.

2626491000 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 2626491000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4715343360).

2626491000 is an abundant number, since it is smaller than the sum of its proper divisors (6804195720).

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

2626491000 is a wasteful number, since it uses less digits than its factorization.

2626491000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2626491000 is about 51249.3024342771. The cubic root of 2626491000 is about 1379.7232169118.

The spelling of 2626491000 in words is "two billion, six hundred twenty-six million, four hundred ninety-one thousand".