2640625950 has 96 divisors (see below), whose sum is σ = 6709963392. Its totient is φ = 687024000.

The previous prime is 2640625937. The next prime is 2640625961. The reversal of 2640625950 is 595260462.

It is a junction number, because it is equal to n+sod(n) for n = 2640625899 and 2640625908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1197549 + ... + 1199751.

It is an arithmetic number, because the mean of its divisors is an integer number (69895452).

Almost surely, 2^2640625950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2640625950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3354981696).

2640625950 is an abundant number, since it is smaller than the sum of its proper divisors (4069337442).

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

2640625950 is a wasteful number, since it uses less digits than its factorization.

2640625950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2640625950 is about 51387.0212213162. The cubic root of 2640625950 is about 1382.1938691739.

The spelling of 2640625950 in words is "two billion, six hundred forty million, six hundred twenty-five thousand, nine hundred fifty".