1992551044 has 27 divisors (see below), whose sum is σ = 3834668901. Its totient is φ = 905258640.

The previous prime is 1992551017. The next prime is 1992551063. The reversal of 1992551044 is 4401552991.

The square root of 1992551044 is 44638.

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., 1976869444 + 15681600 = 44462^2 + 3960^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1992550988 and 1992551006.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 981022 + ... + 983050.

Almost surely, 2^1992551044 is an apocalyptic number.

1992551044 is the 44638-th square number.

It is an amenable number.

1992551044 is a deficient number, since it is larger than the sum of its proper divisors (1842117857).

1992551044 is an equidigital number, since it uses as much as digits as its factorization.

1992551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The cubic root of 1992551044 is about 1258.3549212013.

The spelling of 1992551044 in words is "one billion, nine hundred ninety-two million, five hundred fifty-one thousand, forty-four".