2266278747580 has 192 divisors, whose sum is σ = 5267928960000. Its totient is φ = 815560704000.

The previous prime is 2266278747563. The next prime is 2266278747583. The reversal of 2266278747580 is 857478726622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266278747583) 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, 351303355 + ... + 351309805.

It is an arithmetic number, because the mean of its divisors is an integer number (27437130000).

Almost surely, 2^{2266278747580} is an apocalyptic number.

2266278747580 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 2266278747580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2633964480000).

2266278747580 is an abundant number, since it is smaller than the sum of its proper divisors (3001650212420).

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

2266278747580 is a wasteful number, since it uses less digits than its factorization.

2266278747580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 64.

The spelling of 2266278747580 in words is "two trillion, two hundred sixty-six billion, two hundred seventy-eight million, seven hundred forty-seven thousand, five hundred eighty".