2599626980 has 48 divisors (see below), whose sum is σ = 5728230144. Its totient is φ = 989112960.

The previous prime is 2599626979. The next prime is 2599626983. The reversal of 2599626980 is 896269952.

2599626980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2599626983) 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, 67649 + ... + 98871.

It is an arithmetic number, because the mean of its divisors is an integer number (119338128).

Almost surely, 2^2599626980 is an apocalyptic number.

2599626980 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 2599626980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2864115072).

2599626980 is an abundant number, since it is smaller than the sum of its proper divisors (3128603164).

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

2599626980 is a wasteful number, since it uses less digits than its factorization.

2599626980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31436 (or 31434 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The square root of 2599626980 is about 50986.5372426879. The cubic root of 2599626980 is about 1375.0031039048.

The spelling of 2599626980 in words is "two billion, five hundred ninety-nine million, six hundred twenty-six thousand, nine hundred eighty".