4640086626 has 16 divisors (see below), whose sum is σ = 10605912384. Its totient is φ = 1325739024.

The previous prime is 4640086601. The next prime is 4640086637. The reversal of 4640086626 is 6266800464.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 110478253 = 4640086626 / (4 + 6 + 4 + 0 + 0 + 8 + 6 + 6 + 2 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55239085 + ... + 55239168.

It is an arithmetic number, because the mean of its divisors is an integer number (662869524).

Almost surely, 2^4640086626 is an apocalyptic number.

4640086626 is an abundant number, since it is smaller than the sum of its proper divisors (5965825758).

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

4640086626 is a wasteful number, since it uses less digits than its factorization.

4640086626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110478265.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 4640086626 is about 68118.1813174721. The cubic root of 4640086626 is about 1667.9205626415.

The spelling of 4640086626 in words is "four billion, six hundred forty million, eighty-six thousand, six hundred twenty-six".