8400446051 has 4 divisors (see below), whose sum is σ = 8403276504. Its totient is φ = 8397615600.

The previous prime is 8400446039. The next prime is 8400446069. The reversal of 8400446051 is 1506440048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8400446051 is a prime.

It is a super-2 number, since 2×8400446051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8400445999 and 8400446017.

It is not an unprimeable number, because it can be changed into a prime (8400446081) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1410770 + ... + 1416711.

It is an arithmetic number, because the mean of its divisors is an integer number (2100819126).

Almost surely, 2^8400446051 is an apocalyptic number.

8400446051 is a deficient number, since it is larger than the sum of its proper divisors (2830453).

8400446051 is a wasteful number, since it uses less digits than its factorization.

8400446051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830452.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 8400446051 is about 91653.9472745173. The cubic root of 8400446051 is about 2032.8286943112.

Adding to 8400446051 its reverse (1506440048), we get a palindrome (9906886099).

The spelling of 8400446051 in words is "eight billion, four hundred million, four hundred forty-six thousand, fifty-one".