2381992272 has 100 divisors (see below), whose sum is σ = 7520965056. Its totient is φ = 721811520.

The previous prime is 2381992271. The next prime is 2381992313. The reversal of 2381992272 is 2722991832.

It is a happy number.

2381992272 is a `hidden beast` number, since 238 + 199 + 227 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381992271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69288 + ... + 97799.

Almost surely, 2^2381992272 is an apocalyptic number.

2381992272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2381992272 is an abundant number, since it is smaller than the sum of its proper divisors (5138972784).

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

2381992272 is a wasteful number, since it uses less digits than its factorization.

2381992272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167118 (or 167103 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2381992272 is about 48805.6581965657. The cubic root of 2381992272 is about 1335.5088881790.

It can be divided in two parts, 238199 and 2272, that added together give a triangular number (240471 = T₆₉₃).

The spelling of 2381992272 in words is "two billion, three hundred eighty-one million, nine hundred ninety-two thousand, two hundred seventy-two".