4640620026 has 32 divisors (see below), whose sum is σ = 10649415168. Its totient is φ = 1320606000.

The previous prime is 4640620007. The next prime is 4640620027. The reversal of 4640620026 is 6200260464.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4640619975 and 4640620002.

It is not an unprimeable number, because it can be changed into a prime (4640620027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209560 + ... + 230643.

It is an arithmetic number, because the mean of its divisors is an integer number (332794224).

Almost surely, 2^4640620026 is an apocalyptic number.

4640620026 is an abundant number, since it is smaller than the sum of its proper divisors (6008795142).

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

4640620026 is a wasteful number, since it uses less digits than its factorization.

4640620026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440466.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 4640620026 is about 68122.0964592253. The cubic root of 4640620026 is about 1667.9844719900.

The spelling of 4640620026 in words is "four billion, six hundred forty million, six hundred twenty thousand, twenty-six".