2606981244 has 24 divisors (see below), whose sum is σ = 6951950208. Its totient is φ = 744851760.

The previous prime is 2606981219. The next prime is 2606981249. The reversal of 2606981244 is 4421896062.

2606981244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2606981196 and 2606981205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606981249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15517662 + ... + 15517829.

It is an arithmetic number, because the mean of its divisors is an integer number (289664592).

Almost surely, 2^2606981244 is an apocalyptic number.

It is an amenable number.

2606981244 is an abundant number, since it is smaller than the sum of its proper divisors (4344968964).

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

2606981244 is a wasteful number, since it uses less digits than its factorization.

2606981244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31035505 (or 31035503 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2606981244 is about 51058.6059739198. The cubic root of 2606981244 is about 1376.2984968239.

The spelling of 2606981244 in words is "two billion, six hundred six million, nine hundred eighty-one thousand, two hundred forty-four".