2051455224 has 128 divisors (see below), whose sum is σ = 6388784640. Its totient is φ = 534477312.

The previous prime is 2051455207. The next prime is 2051455243. The reversal of 2051455224 is 4225541502.

It is a junction number, because it is equal to n+sod(n) for n = 2051455191 and 2051455200.

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 31 ways as a sum of consecutive naturals, for example, 175614 + ... + 186930.

It is an arithmetic number, because the mean of its divisors is an integer number (49912380).

Almost surely, 2^2051455224 is an apocalyptic number.

2051455224 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 2051455224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194392320).

2051455224 is an abundant number, since it is smaller than the sum of its proper divisors (4337329416).

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

2051455224 is a wasteful number, since it uses less digits than its factorization.

2051455224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429 (or 11425 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2051455224 is about 45292.9931004786. The cubic root of 2051455224 is about 1270.6346103998.

Adding to 2051455224 its reverse (4225541502), we get a palindrome (6276996726).

The spelling of 2051455224 in words is "two billion, fifty-one million, four hundred fifty-five thousand, two hundred twenty-four".