4724138764828 has 96 divisors (see below), whose sum is σ = 9760479450624. Its totient is φ = 1958881736448.

The previous prime is 4724138764819. The next prime is 4724138764831. The reversal of 4724138764828 is 8284678314274.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4724138764828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67340026 + ... + 67410142.

It is an arithmetic number, because the mean of its divisors is an integer number (101671660944).

Almost surely, 2^{4724138764828} 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 4724138764828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4880239725312).

4724138764828 is an abundant number, since it is smaller than the sum of its proper divisors (5036340685796).

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

4724138764828 is a wasteful number, since it uses less digits than its factorization.

4724138764828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70811 (or 70809 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 64.

The spelling of 4724138764828 in words is "four trillion, seven hundred twenty-four billion, one hundred thirty-eight million, seven hundred sixty-four thousand, eight hundred twenty-eight".