2051489232 has 480 divisors, whose sum is σ = 7019550720. Its totient is φ = 553512960.

The previous prime is 2051489221. The next prime is 2051489257. The reversal of 2051489232 is 2329841502.

It is a happy number.

2051489232 is a `hidden beast` number, since 20 + 514 + 8 + 92 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38707318 + ... + 38707370.

It is an arithmetic number, because the mean of its divisors is an integer number (14624064).

Almost surely, 2^2051489232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051489232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3509775360).

2051489232 is an abundant number, since it is smaller than the sum of its proper divisors (4968061488).

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

2051489232 is a wasteful number, since it uses less digits than its factorization.

2051489232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2051489232 is about 45293.3685212306. The cubic root of 2051489232 is about 1270.6416316763.

It can be divided in two parts, 20514 and 89232, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 2051489232 in words is "two billion, fifty-one million, four hundred eighty-nine thousand, two hundred thirty-two".