2600994240 has 672 divisors, whose sum is σ = 10437912576. Its totient is φ = 612126720.

The previous prime is 2600994229. The next prime is 2600994287. The reversal of 2600994240 is 424990062.

2600994240 is a `hidden beast` number, since 2 + 600 + 9 + 9 + 4 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2600994195 and 2600994204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31337239 + ... + 31337321.

It is an arithmetic number, because the mean of its divisors is an integer number (15532608).

Almost surely, 2^2600994240 is an apocalyptic number.

2600994240 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 2600994240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5218956288).

2600994240 is an abundant number, since it is smaller than the sum of its proper divisors (7836918336).

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

2600994240 is a wasteful number, since it uses less digits than its factorization.

2600994240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2600994240 is about 50999.9435293805. The cubic root of 2600994240 is about 1375.2441201820.

The spelling of 2600994240 in words is "two billion, six hundred million, nine hundred ninety-four thousand, two hundred forty".