5671780402500 has 135 divisors (see below), whose sum is σ = 17916644242497. Its totient is φ = 1512379512000.

The previous prime is 5671780402489. The next prime is 5671780402529. The reversal of 5671780402500 is 52040871765.

The square root of 5671780402500 is 2381550.

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

5671780402500 is a `hidden beast` number, since 5 + 6 + 71 + 78 + 0 + 4 + 0 + 2 + 500 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 494262429444 + 5177517973056 = 703038^2 + 2275416^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 357224562 + ... + 357240438.

Almost surely, 2^{5671780402500} is an apocalyptic number.

5671780402500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5671780402500 is the 2381550-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5671780402500

5671780402500 is an abundant number, since it is smaller than the sum of its proper divisors (12244863839997).

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

5671780402500 is an frugal number, since it uses more digits than its factorization.

5671780402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31784 (or 15887 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 5671780402500 in words is "five trillion, six hundred seventy-one billion, seven hundred eighty million, four hundred two thousand, five hundred".