4939543240 has 32 divisors (see below), whose sum is σ = 11698920000. Its totient is φ = 1871826624.

The previous prime is 4939543223. The next prime is 4939543243. The reversal of 4939543240 is 423459394.

It is not an unprimeable number, because it can be changed into a prime (4939543243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248940 + ... + 3250459.

It is an arithmetic number, because the mean of its divisors is an integer number (365591250).

Almost surely, 2^4939543240 is an apocalyptic number.

4939543240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4939543240 is an abundant number, since it is smaller than the sum of its proper divisors (6759376760).

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

4939543240 is a wasteful number, since it uses less digits than its factorization.

4939543240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499429 (or 6499425 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 4939543240 is about 70281.8841523191. The cubic root of 4939543240 is about 1703.0560071101.

The spelling of 4939543240 in words is "four billion, nine hundred thirty-nine million, five hundred forty-three thousand, two hundred forty".