2220005040 has 80 divisors (see below), whose sum is σ = 7507662336. Its totient is φ = 538182400.

The previous prime is 2220005009. The next prime is 2220005059. The reversal of 2220005040 is 405000222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417816 + ... + 423095.

Almost surely, 2^2220005040 is an apocalyptic number.

2220005040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220005040 is an abundant number, since it is smaller than the sum of its proper divisors (5287657296).

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

2220005040 is a wasteful number, since it uses less digits than its factorization.

2220005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840938 (or 840932 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2220005040 is about 47116.9294415500. The cubic root of 2220005040 is about 1304.5217372246.

Adding to 2220005040 its reverse (405000222), we get a palindrome (2625005262).

The spelling of 2220005040 in words is "two billion, two hundred twenty million, five thousand, forty".