2215040130 has 96 divisors (see below), whose sum is σ = 5895907056. Its totient is φ = 576755712.

The previous prime is 2215040057. The next prime is 2215040131. The reversal of 2215040130 is 310405122.

It can be written as a sum of positive squares in 8 ways, for example, as 1118701809 + 1096338321 = 33447^2 + 33111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2215040131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110414 + ... + 1112406.

Almost surely, 2^2215040130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215040130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947953528).

2215040130 is an abundant number, since it is smaller than the sum of its proper divisors (3680866926).

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

2215040130 is a wasteful number, since it uses less digits than its factorization.

2215040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2215040130 is about 47064.2128373566. The cubic root of 2215040130 is about 1303.5485161041.

Adding to 2215040130 its reverse (310405122), we get a palindrome (2525445252).

The spelling of 2215040130 in words is "two billion, two hundred fifteen million, forty thousand, one hundred thirty".