1772250816 has 224 divisors, whose sum is σ = 5793638400. Its totient is φ = 476270592.

The previous prime is 1772250803. The next prime is 1772250889. The reversal of 1772250816 is 6180522771.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118761 + ... + 1120343.

Almost surely, 2^1772250816 is an apocalyptic number.

1772250816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1772250816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896819200).

1772250816 is an abundant number, since it is smaller than the sum of its proper divisors (4021387584).

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

1772250816 is a wasteful number, since it uses less digits than its factorization.

1772250816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 1772250816 is about 42098.1094112313. The cubic root of 1772250816 is about 1210.1570308233.

The spelling of 1772250816 in words is "one billion, seven hundred seventy-two million, two hundred fifty thousand, eight hundred sixteen".