2215002040 has 128 divisors (see below), whose sum is σ = 5298592320. Its totient is φ = 832204800.

The previous prime is 2215002037. The next prime is 2215002059. The reversal of 2215002040 is 402005122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10497535 + ... + 10497745.

Almost surely, 2^2215002040 is an apocalyptic number.

2215002040 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 2215002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649296160).

2215002040 is an abundant number, since it is smaller than the sum of its proper divisors (3083590280).

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

2215002040 is a wasteful number, since it uses less digits than its factorization.

2215002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2215002040 is about 47063.8081757097. The cubic root of 2215002040 is about 1303.5410440878.

Adding to 2215002040 its reverse (402005122), we get a palindrome (2617007162).

The spelling of 2215002040 in words is "two billion, two hundred fifteen million, two thousand, forty".