4342781952 has 240 divisors, whose sum is σ = 13271338080. Its totient is φ = 1414250496.

The previous prime is 4342781939. The next prime is 4342781959. The reversal of 4342781952 is 2591872434.

4342781952 is a `hidden beast` number, since 434 + 27 + 8 + 195 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4342781898 and 4342781907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342781959) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7796458 + ... + 7797014.

It is an arithmetic number, because the mean of its divisors is an integer number (55297242).

Almost surely, 2^4342781952 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 4342781952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6635669040).

4342781952 is an abundant number, since it is smaller than the sum of its proper divisors (8928556128).

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

4342781952 is an equidigital number, since it uses as much as digits as its factorization.

4342781952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 609 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4342781952 is about 65899.7871923726. The cubic root of 4342781952 is about 1631.5085025132.

The spelling of 4342781952 in words is "four billion, three hundred forty-two million, seven hundred eighty-one thousand, nine hundred fifty-two".