4642992438 has 32 divisors (see below), whose sum is σ = 10871400960. Its totient is φ = 1294213440.

The previous prime is 4642992391. The next prime is 4642992457. The reversal of 4642992438 is 8342992464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346418 + ... + 1349861.

It is an arithmetic number, because the mean of its divisors is an integer number (339731280).

Almost surely, 2^4642992438 is an apocalyptic number.

4642992438 is an abundant number, since it is smaller than the sum of its proper divisors (6228408522).

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

4642992438 is a wasteful number, since it uses less digits than its factorization.

4642992438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696332.

The product of its digits is 2985984, while the sum is 51.

The square root of 4642992438 is about 68139.5071746193. The cubic root of 4642992438 is about 1668.2686633417.

The spelling of 4642992438 in words is "four billion, six hundred forty-two million, nine hundred ninety-two thousand, four hundred thirty-eight".