2140164490 has 16 divisors (see below), whose sum is σ = 4019787648. Its totient is φ = 818845456.

The previous prime is 2140164479. The next prime is 2140164491. The reversal of 2140164490 is 944610412.

It is not an unprimeable number, because it can be changed into a prime (2140164491) 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, 4652302 + ... + 4652761.

It is an arithmetic number, because the mean of its divisors is an integer number (251236728).

Almost surely, 2^2140164490 is an apocalyptic number.

2140164490 is a deficient number, since it is larger than the sum of its proper divisors (1879623158).

2140164490 is a wasteful number, since it uses less digits than its factorization.

2140164490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305093.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2140164490 is about 46261.9118714305. The cubic root of 2140164490 is about 1288.6917590601.

The spelling of 2140164490 in words is "two billion, one hundred forty million, one hundred sixty-four thousand, four hundred ninety".