2040064642 has 64 divisors (see below), whose sum is σ = 3899096064. Its totient is φ = 777522240.

The previous prime is 2040064639. The next prime is 2040064667. The reversal of 2040064642 is 2464600402.

It is a super-4 number, since 4×2040064642⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2040064642.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1681228 + ... + 1682440.

It is an arithmetic number, because the mean of its divisors is an integer number (60923376).

Almost surely, 2^2040064642 is an apocalyptic number.

2040064642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2040064642 is a deficient number, since it is larger than the sum of its proper divisors (1859031422).

2040064642 is a wasteful number, since it uses less digits than its factorization.

2040064642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2040064642 is about 45167.0747558440. The cubic root of 2040064642 is about 1268.2785368824.

The spelling of 2040064642 in words is "two billion, forty million, sixty-four thousand, six hundred forty-two".