3924722704644 has 480 divisors, whose sum is σ = 12837321728000. Its totient is φ = 1020502768896.

The previous prime is 3924722704631. The next prime is 3924722704673. The reversal of 3924722704644 is 4464072274293.

3924722704644 is a `hidden beast` number, since 3 + 92 + 4 + 7 + 22 + 70 + 464 + 4 = 666.

It is a super-2 number, since 2×3924722704644² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 125942337 + ... + 125973495.

Almost surely, 2^{3924722704644} 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 3924722704644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6418660864000).

3924722704644 is an abundant number, since it is smaller than the sum of its proper divisors (8912599023356).

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

3924722704644 is a wasteful number, since it uses less digits than its factorization.

3924722704644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31317 (or 31306 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 54.

The spelling of 3924722704644 in words is "three trillion, nine hundred twenty-four billion, seven hundred twenty-two million, seven hundred four thousand, six hundred forty-four".