2786079240 has 640 divisors, whose sum is σ = 11499840000. Its totient is φ = 603542016.

The previous prime is 2786079223. The next prime is 2786079287. The reversal of 2786079240 is 429706872.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 25560306 + ... + 25560414.

It is an arithmetic number, because the mean of its divisors is an integer number (17968500).

Almost surely, 2^2786079240 is an apocalyptic number.

2786079240 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 2786079240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5749920000).

2786079240 is an abundant number, since it is smaller than the sum of its proper divisors (8713760760).

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

2786079240 is a wasteful number, since it uses less digits than its factorization.

2786079240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2786079240 is about 52783.3235027883. The cubic root of 2786079240 is about 1407.1200610401.

The spelling of 2786079240 in words is "two billion, seven hundred eighty-six million, seventy-nine thousand, two hundred forty".