2251019120 has 160 divisors (see below), whose sum is σ = 6228934656. Its totient is φ = 740275200.

The previous prime is 2251019119. The next prime is 2251019143. The reversal of 2251019120 is 219101522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2204210 + ... + 2205230.

Almost surely, 2^2251019120 is an apocalyptic number.

2251019120 is a gapful number since it is divisible by the number (20) 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 2251019120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3114467328).

2251019120 is an abundant number, since it is smaller than the sum of its proper divisors (3977915536).

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

2251019120 is a wasteful number, since it uses less digits than its factorization.

2251019120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 2251019120 is about 47444.9061544019. The cubic root of 2251019120 is about 1310.5685079803.

The spelling of 2251019120 in words is "two billion, two hundred fifty-one million, nineteen thousand, one hundred twenty".