2215360540 has 12 divisors (see below), whose sum is σ = 4652257176. Its totient is φ = 886144208.

The previous prime is 2215360517. The next prime is 2215360579. The reversal of 2215360540 is 450635122.

It is a junction number, because it is equal to n+sod(n) for n = 2215360499 and 2215360508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55383994 + ... + 55384033.

It is an arithmetic number, because the mean of its divisors is an integer number (387688098).

Almost surely, 2^2215360540 is an apocalyptic number.

2215360540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215360540 is an abundant number, since it is smaller than the sum of its proper divisors (2436896636).

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

2215360540 is a wasteful number, since it uses less digits than its factorization.

2215360540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110768036 (or 110768034 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2215360540 is about 47067.6166806861. The cubic root of 2215360540 is about 1303.6113667100.

Adding to 2215360540 its reverse (450635122), we get a palindrome (2665995662).

The spelling of 2215360540 in words is "two billion, two hundred fifteen million, three hundred sixty thousand, five hundred forty".