2140660412 has 24 divisors (see below), whose sum is σ = 4099089792. Its totient is φ = 970081200.

The previous prime is 2140660411. The next prime is 2140660421.

2140660412 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140660411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58928 + ... + 88055.

It is an arithmetic number, because the mean of its divisors is an integer number (170795408).

Almost surely, 2^2140660412 is an apocalyptic number.

2140660412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2140660412 is a deficient number, since it is larger than the sum of its proper divisors (1958429380).

2140660412 is a wasteful number, since it uses less digits than its factorization.

2140660412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147329 (or 147327 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2140660412 is about 46267.2714994087. The cubic root of 2140660412 is about 1288.7912905432.

It can be divided in two parts, 21406 and 60412, that added together give a palindrome (81818).

The spelling of 2140660412 in words is "two billion, one hundred forty million, six hundred sixty thousand, four hundred twelve".