4640339340 has 240 divisors, whose sum is σ = 17916773952. Its totient is φ = 979029504.

The previous prime is 4640339339. The next prime is 4640339359. The reversal of 4640339340 is 439330464.

It is a happy number.

4640339340 is a `hidden beast` number, since 4 + 640 + 3 + 3 + 9 + 3 + 4 + 0 = 666.

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 = 4640339295 and 4640339304.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 131682 + ... + 163158.

Almost surely, 2^4640339340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4640339340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8958386976).

4640339340 is an abundant number, since it is smaller than the sum of its proper divisors (13276434612).

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

4640339340 is a wasteful number, since it uses less digits than its factorization.

4640339340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31518 (or 31507 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 4640339340 is about 68120.0362595323. The cubic root of 4640339340 is about 1667.9508421929.

The spelling of 4640339340 in words is "four billion, six hundred forty million, three hundred thirty-nine thousand, three hundred forty".