2215726544460 has 192 divisors, whose sum is σ = 7289840355840. Its totient is φ = 495746334720.

The previous prime is 2215726544417. The next prime is 2215726544483. The reversal of 2215726544460 is 644456275122.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64238379 + ... + 64272861.

It is an arithmetic number, because the mean of its divisors is an integer number (37967918520).

Almost surely, 2^{2215726544460} is an apocalyptic number.

2215726544460 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 2215726544460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3644920177920).

2215726544460 is an abundant number, since it is smaller than the sum of its proper divisors (5074113811380).

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

2215726544460 is a wasteful number, since it uses less digits than its factorization.

2215726544460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42008 (or 42006 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 2215726544460 in words is "two trillion, two hundred fifteen billion, seven hundred twenty-six million, five hundred forty-four thousand, four hundred sixty".