1722840004900 has 243 divisors, whose sum is σ = 4624000873779. Its totient is φ = 555437621760.

The previous prime is 1722840004877. The next prime is 1722840004901. The reversal of 1722840004900 is 94000482271.

The square root of 1722840004900 is 1312570.

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

It can be written as a sum of positive squares in 4 ways, for example, as 40298956516 + 1682541048384 = 200746^2 + 1297128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1722840004900.

It is not an unprimeable number, because it can be changed into a prime (1722840004901) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1561957749 + ... + 1561958851.

Almost surely, 2^{1722840004900} is an apocalyptic number.

1722840004900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1722840004900 is the 1312570-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1722840004900

1722840004900 is an abundant number, since it is smaller than the sum of its proper divisors (2901160868879).

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

1722840004900 is a wasteful number, since it uses less digits than its factorization.

1722840004900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 1722840004900 in words is "one trillion, seven hundred twenty-two billion, eight hundred forty million, four thousand, nine hundred".