2042764646 has 8 divisors (see below), whose sum is σ = 3299850624. Its totient is φ = 942814440.

The previous prime is 2042764631. The next prime is 2042764657. The reversal of 2042764646 is 6464672402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39283910 + ... + 39283961.

It is an arithmetic number, because the mean of its divisors is an integer number (412481328).

Almost surely, 2^2042764646 is an apocalyptic number.

2042764646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2042764646 is a deficient number, since it is larger than the sum of its proper divisors (1257085978).

2042764646 is a wasteful number, since it uses less digits than its factorization.

2042764646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78567886.

The product of its (nonzero) digits is 387072, while the sum is 41.

The square root of 2042764646 is about 45196.9539460349. The cubic root of 2042764646 is about 1268.8378079732.

The spelling of 2042764646 in words is "two billion, forty-two million, seven hundred sixty-four thousand, six hundred forty-six".