4650065640 has 96 divisors (see below), whose sum is σ = 16486610400. Its totient is φ = 1127287680.

The previous prime is 4650065603. The next prime is 4650065659. The reversal of 4650065640 is 465600564.

It is a happy number.

4650065640 is a `hidden beast` number, since 4 + 6 + 5 + 0 + 0 + 6 + 5 + 640 = 666.

It is a super-2 number, since 2×4650065640² = 43246220912617219200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4650065595 and 4650065604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583170 + ... + 591089.

It is an arithmetic number, because the mean of its divisors is an integer number (171735525).

Almost surely, 2^4650065640 is an apocalyptic number.

4650065640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4650065640 is an abundant number, since it is smaller than the sum of its proper divisors (11836544760).

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

4650065640 is a wasteful number, since it uses less digits than its factorization.

4650065640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174287 (or 1174280 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 4650065640 is about 68191.3897790623. The cubic root of 4650065640 is about 1669.1153884062.

The spelling of 4650065640 in words is "four billion, six hundred fifty million, sixty-five thousand, six hundred forty".