6450158420 has 12 divisors (see below), whose sum is σ = 13545332724. Its totient is φ = 2580063360.

The previous prime is 6450158419. The next prime is 6450158443. The reversal of 6450158420 is 248510546.

It can be written as a sum of positive squares in 2 ways, for example, as 979189264 + 5470969156 = 31292^2 + 73966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161253941 + ... + 161253980.

It is an arithmetic number, because the mean of its divisors is an integer number (1128777727).

Almost surely, 2^6450158420 is an apocalyptic number.

It is an amenable number.

6450158420 is an abundant number, since it is smaller than the sum of its proper divisors (7095174304).

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

6450158420 is a wasteful number, since it uses less digits than its factorization.

6450158420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322507930 (or 322507928 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 6450158420 is about 80312.8782948289. The cubic root of 6450158420 is about 1861.4732248447.

Adding to 6450158420 its reverse (248510546), we get a palindrome (6698668966).

The spelling of 6450158420 in words is "six billion, four hundred fifty million, one hundred fifty-eight thousand, four hundred twenty".