2051364456 has 48 divisors (see below), whose sum is σ = 5561358660. Its totient is φ = 683101440.

The previous prime is 2051364443. The next prime is 2051364461. The reversal of 2051364456 is 6544631502.

2051364456 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 3 + 644 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1276632900 + 774731556 = 35730^2 + 27834^2 .

It is a super-2 number, since 2×2051364456² = 8416192262680351872, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2051364456.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60586 + ... + 88166.

Almost surely, 2^2051364456 is an apocalyptic number.

It is an amenable number.

2051364456 is an abundant number, since it is smaller than the sum of its proper divisors (3509994204).

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

2051364456 is a wasteful number, since it uses less digits than its factorization.

2051364456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626 (or 28619 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2051364456 is about 45291.9910801016. The cubic root of 2051364456 is about 1270.6158700991.

Adding to 2051364456 its reverse (6544631502), we get a palindrome (8595995958).

The spelling of 2051364456 in words is "two billion, fifty-one million, three hundred sixty-four thousand, four hundred fifty-six".