2142423660 has 96 divisors (see below), whose sum is σ = 6800290560. Its totient is φ = 499606272.

The previous prime is 2142423653. The next prime is 2142423683. The reversal of 2142423660 is 663242412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57462 + ... + 87101.

It is an arithmetic number, because the mean of its divisors is an integer number (70836360).

Almost surely, 2^2142423660 is an apocalyptic number.

2142423660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142423660 is an abundant number, since it is smaller than the sum of its proper divisors (4657866900).

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

2142423660 is a wasteful number, since it uses less digits than its factorization.

2142423660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144607 (or 144605 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2142423660 is about 46286.3226018227. The cubic root of 2142423660 is about 1289.1450497541.

The spelling of 2142423660 in words is "two billion, one hundred forty-two million, four hundred twenty-three thousand, six hundred sixty".