2855998626 has 64 divisors (see below), whose sum is σ = 6287404032. Its totient is φ = 859551552.

The previous prime is 2855998577. The next prime is 2855998627. The reversal of 2855998626 is 6268995582.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2855998626.

It is not an unprimeable number, because it can be changed into a prime (2855998627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664681 + ... + 668963.

It is an arithmetic number, because the mean of its divisors is an integer number (98240688).

Almost surely, 2^2855998626 is an apocalyptic number.

2855998626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855998626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143702016).

2855998626 is an abundant number, since it is smaller than the sum of its proper divisors (3431405406).

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

2855998626 is a wasteful number, since it uses less digits than its factorization.

2855998626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487.

The product of its digits is 18662400, while the sum is 60.

The square root of 2855998626 is about 53441.5440083836. The cubic root of 2855998626 is about 1418.7939614264.

The spelling of 2855998626 in words is "two billion, eight hundred fifty-five million, nine hundred ninety-eight thousand, six hundred twenty-six".