42554738944 has 27 divisors (see below), whose sum is σ = 84949837273. Its totient is φ = 21275719168.

The previous prime is 42554738909. The next prime is 42554738951. The reversal of 42554738944 is 44983745524.

The square root of 42554738944 is 206288.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25625606400 + 16929132544 = 160080^2 + 130112^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3294162 + ... + 3307054.

Almost surely, 2^42554738944 is an apocalyptic number.

42554738944 is the 206288-th square number.

It is an amenable number.

42554738944 is a deficient number, since it is larger than the sum of its proper divisors (42395098329).

42554738944 is an frugal number, since it uses more digits than its factorization.

42554738944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25802 (or 12895 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 55.

The spelling of 42554738944 in words is "forty-two billion, five hundred fifty-four million, seven hundred thirty-eight thousand, nine hundred forty-four".