4520953640 has 192 divisors, whose sum is σ = 12139632000. Its totient is φ = 1510451712.

The previous prime is 4520953627. The next prime is 4520953649. The reversal of 4520953640 is 463590254.

It is a junction number, because it is equal to n+sod(n) for n = 4520953594 and 4520953603.

It is not an unprimeable number, because it can be changed into a prime (4520953649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22718261 + ... + 22718459.

It is an arithmetic number, because the mean of its divisors is an integer number (63227250).

Almost surely, 2^4520953640 is an apocalyptic number.

4520953640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520953640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6069816000).

4520953640 is an abundant number, since it is smaller than the sum of its proper divisors (7618678360).

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

4520953640 is a wasteful number, since it uses less digits than its factorization.

4520953640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 4520953640 is about 67238.0371516004. The cubic root of 4520953640 is about 1653.5221535056.

The spelling of 4520953640 in words is "four billion, five hundred twenty million, nine hundred fifty-three thousand, six hundred forty".