2143472580 has 72 divisors (see below), whose sum is σ = 6784569792. Its totient is φ = 546739776.

The previous prime is 2143472543. The next prime is 2143472609. The reversal of 2143472580 is 852743412.

It is a happy number.

2143472580 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 4 + 72 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254734 + ... + 263013.

It is an arithmetic number, because the mean of its divisors is an integer number (94230136).

Almost surely, 2^2143472580 is an apocalyptic number.

2143472580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143472580 is an abundant number, since it is smaller than the sum of its proper divisors (4641097212).

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

2143472580 is a wasteful number, since it uses less digits than its factorization.

2143472580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517785 (or 517780 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2143472580 is about 46297.6519922987. The cubic root of 2143472580 is about 1289.3554017700.

The spelling of 2143472580 in words is "two billion, one hundred forty-three million, four hundred seventy-two thousand, five hundred eighty".