2140040160 has 72 divisors (see below), whose sum is σ = 7302891960. Its totient is φ = 570676992.

The previous prime is 2140040137. The next prime is 2140040173. The reversal of 2140040160 is 610400412.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 741630 + ... + 744509.

It is an arithmetic number, because the mean of its divisors is an integer number (101429055).

Almost surely, 2^2140040160 is an apocalyptic number.

2140040160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140040160 is an abundant number, since it is smaller than the sum of its proper divisors (5162851800).

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

2140040160 is a wasteful number, since it uses less digits than its factorization.

2140040160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486160 (or 1486149 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2140040160 is about 46260.5680898970. The cubic root of 2140040160 is about 1288.6668036342. Note that the first 3 decimals are identical.

Adding to 2140040160 its reverse (610400412), we get a palindrome (2750440572).

The spelling of 2140040160 in words is "two billion, one hundred forty million, forty thousand, one hundred sixty".