1642052593476 has 135 divisors (see below), whose sum is σ = 4416138272091. Its totient is φ = 514456659072.

The previous prime is 1642052593463. The next prime is 1642052593487. The reversal of 1642052593476 is 6743952502461.

It is a happy number.

The square root of 1642052593476 is 1281426.

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

1642052593476 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 0 + 5 + 2 + 593 + 47 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 509616087876 + 1132436505600 = 713874^2 + 1064160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2221992315 + ... + 2221993053.

Almost surely, 2^{1642052593476} is an apocalyptic number.

1642052593476 is the 1281426-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1642052593476

1642052593476 is an abundant number, since it is smaller than the sum of its proper divisors (2774085678615).

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

1642052593476 is an frugal number, since it uses more digits than its factorization.

1642052593476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 1642052593476 in words is "one trillion, six hundred forty-two billion, fifty-two million, five hundred ninety-three thousand, four hundred seventy-six".