4640513426 has 8 divisors (see below), whose sum is σ = 7370227260. Its totient is φ = 2183771008.

The previous prime is 4640513417. The next prime is 4640513429. The reversal of 4640513426 is 6243150464.

It can be written as a sum of positive squares in 2 ways, for example, as 4263959401 + 376554025 = 65299^2 + 19405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4640513429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68242811 + ... + 68242878.

Almost surely, 2^4640513426 is an apocalyptic number.

4640513426 is a deficient number, since it is larger than the sum of its proper divisors (2729713834).

4640513426 is a wasteful number, since it uses less digits than its factorization.

4640513426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136485708.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 4640513426 is about 68121.3140360636. The cubic root of 4640513426 is about 1667.9717000970.

The spelling of 4640513426 in words is "four billion, six hundred forty million, five hundred thirteen thousand, four hundred twenty-six".