3992420740 has 96 divisors (see below), whose sum is σ = 10570694400. Its totient is φ = 1230366720.

The previous prime is 3992420711. The next prime is 3992420767. The reversal of 3992420740 is 470242993.

It is a junction number, because it is equal to n+sod(n) for n = 3992420693 and 3992420702.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 122496 + ... + 151624.

It is an arithmetic number, because the mean of its divisors is an integer number (110111400).

Almost surely, 2^3992420740 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 3992420740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5285347200).

3992420740 is an abundant number, since it is smaller than the sum of its proper divisors (6578273660).

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

3992420740 is a wasteful number, since it uses less digits than its factorization.

3992420740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29245 (or 29243 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 3992420740 is about 63185.6054809954. The cubic root of 3992420740 is about 1586.3978076055.

The spelling of 3992420740 in words is "three billion, nine hundred ninety-two million, four hundred twenty thousand, seven hundred forty".