4921742280 has 576 divisors, whose sum is σ = 19398294720. Its totient is φ = 989936640.

The previous prime is 4921742269. The next prime is 4921742281. The reversal of 4921742280 is 822471294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921742281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 73458807 + ... + 73458873.

It is an arithmetic number, because the mean of its divisors is an integer number (33677595).

Almost surely, 2^4921742280 is an apocalyptic number.

4921742280 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 4921742280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9699147360).

4921742280 is an abundant number, since it is smaller than the sum of its proper divisors (14476552440).

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

4921742280 is a wasteful number, since it uses less digits than its factorization.

4921742280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 4921742280 is about 70155.1301046474. The cubic root of 4921742280 is about 1701.0077392999.

The spelling of 4921742280 in words is "four billion, nine hundred twenty-one million, seven hundred forty-two thousand, two hundred eighty".