2215143040 has 64 divisors (see below), whose sum is σ = 5777010720. Its totient is φ = 805504000.

The previous prime is 2215143031. The next prime is 2215143053. The reversal of 2215143040 is 403415122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150286 + ... + 164365.

Almost surely, 2^2215143040 is an apocalyptic number.

2215143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215143040 is an abundant number, since it is smaller than the sum of its proper divisors (3561867680).

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

2215143040 is a wasteful number, since it uses less digits than its factorization.

2215143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314681 (or 314669 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2215143040 is about 47065.3061182013. The cubic root of 2215143040 is about 1303.5687032629.

Adding to 2215143040 its reverse (403415122), we get a palindrome (2618558162).

The spelling of 2215143040 in words is "two billion, two hundred fifteen million, one hundred forty-three thousand, forty".