2215540250310 has 128 divisors (see below), whose sum is σ = 5637968354304. Its totient is φ = 556029112320.

The previous prime is 2215540250303. The next prime is 2215540250311. The reversal of 2215540250310 is 130520455122.

2215540250310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2215540250310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215540250311) 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, 39591150 + ... + 39647070.

It is an arithmetic number, because the mean of its divisors is an integer number (44046627768).

Almost surely, 2^{2215540250310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215540250310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2818984177152).

2215540250310 is an abundant number, since it is smaller than the sum of its proper divisors (3422428103994).

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

2215540250310 is a wasteful number, since it uses less digits than its factorization.

2215540250310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56878.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 2215540250310 in words is "two trillion, two hundred fifteen billion, five hundred forty million, two hundred fifty thousand, three hundred ten".