2051592146244 has 27 divisors (see below), whose sum is σ = 5185990760223. Its totient is φ = 683861184072.

The previous prime is 2051592146237. The next prime is 2051592146249. The reversal of 2051592146244 is 4426412951502.

The square root of 2051592146244 is 1432338.

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

2051592146244 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 5 + 9 + 2 + 14 + 624 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2051592146244.

It is not an unprimeable number, because it can be changed into a prime (2051592146249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8474667 + ... + 8713389.

Almost surely, 2^{2051592146244} is an apocalyptic number.

2051592146244 is the 1432338-th square number.

It is an amenable number.

2051592146244 is an abundant number, since it is smaller than the sum of its proper divisors (3134398613979).

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

2051592146244 is an frugal number, since it uses more digits than its factorization.

2051592146244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477456 (or 238728 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 2051592146244 in words is "two trillion, fifty-one billion, five hundred ninety-two million, one hundred forty-six thousand, two hundred forty-four".