2051365824 has 140 divisors (see below), whose sum is σ = 6159093600. Its totient is φ = 674998272.

The previous prime is 2051365817. The next prime is 2051365847. The reversal of 2051365824 is 4285631502.

2051365824 is a `hidden beast` number, since 2 + 0 + 513 + 65 + 82 + 4 = 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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 407032 + ... + 412040.

Almost surely, 2^2051365824 is an apocalyptic number.

2051365824 is a gapful number since it is divisible by the number (24) 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 2051365824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3079546800).

2051365824 is an abundant number, since it is smaller than the sum of its proper divisors (4107727776).

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

2051365824 is an equidigital number, since it uses as much as digits as its factorization.

2051365824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2051365824 is about 45292.0061821068. The cubic root of 2051365824 is about 1270.6161525456.

The spelling of 2051365824 in words is "two billion, fifty-one million, three hundred sixty-five thousand, eight hundred twenty-four".