632582078644 has 6 divisors (see below), whose sum is σ = 1107018637634. Its totient is φ = 316291039320.

The previous prime is 632582078629. The next prime is 632582078657. The reversal of 632582078644 is 446870285236.

It can be written as a sum of positive squares in only one way, i.e., 468386934544 + 164195144100 = 684388^2 + 405210^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79072759827 + ... + 79072759834.

Almost surely, 2^632582078644 is an apocalyptic number.

It is an amenable number.

632582078644 is a deficient number, since it is larger than the sum of its proper divisors (474436558990).

632582078644 is a wasteful number, since it uses less digits than its factorization.

632582078644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158145519665 (or 158145519663 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 632582078644 in words is "six hundred thirty-two billion, five hundred eighty-two million, seventy-eight thousand, six hundred forty-four".