2648357400630 has 128 divisors (see below), whose sum is σ = 6507354931200. Its totient is φ = 689593633664.

The previous prime is 2648357400523. The next prime is 2648357400631. The reversal of 2648357400630 is 360047538462.

2648357400630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2648357400630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648357400631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177985531 + ... + 178000409.

It is an arithmetic number, because the mean of its divisors is an integer number (50838710400).

Almost surely, 2^{2648357400630} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2648357400630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253677465600).

2648357400630 is an abundant number, since it is smaller than the sum of its proper divisors (3858997530570).

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

2648357400630 is a wasteful number, since it uses less digits than its factorization.

2648357400630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15618.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 2648357400630 in words is "two trillion, six hundred forty-eight billion, three hundred fifty-seven million, four hundred thousand, six hundred thirty".