4626266640 has 40 divisors (see below), whose sum is σ = 14341427328. Its totient is φ = 1233671040.

The previous prime is 4626266609. The next prime is 4626266653. The reversal of 4626266640 is 466626264.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4626266592 and 4626266601.

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, 9637816 + ... + 9638295.

Almost surely, 2^4626266640 is an apocalyptic number.

4626266640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4626266640 is an abundant number, since it is smaller than the sum of its proper divisors (9715160688).

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

4626266640 is a wasteful number, since it uses less digits than its factorization.

4626266640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19276127 (or 19276121 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 4626266640 is about 68016.6644286531. The cubic root of 4626266640 is about 1666.2630101559.

The spelling of 4626266640 in words is "four billion, six hundred twenty-six million, two hundred sixty-six thousand, six hundred forty".