4392992420 has 12 divisors (see below), whose sum is σ = 9225284124. Its totient is φ = 1757196960.

The previous prime is 4392992371. The next prime is 4392992449. The reversal of 4392992420 is 242992934.

It can be written as a sum of positive squares in 2 ways, for example, as 1246231204 + 3146761216 = 35302^2 + 56096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109824791 + ... + 109824830.

It is an arithmetic number, because the mean of its divisors is an integer number (768773677).

Almost surely, 2^4392992420 is an apocalyptic number.

It is an amenable number.

4392992420 is an abundant number, since it is smaller than the sum of its proper divisors (4832291704).

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

4392992420 is a wasteful number, since it uses less digits than its factorization.

4392992420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219649630 (or 219649628 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4392992420 is about 66279.6531372940. The cubic root of 4392992420 is about 1637.7721608893.

The spelling of 4392992420 in words is "four billion, three hundred ninety-two million, nine hundred ninety-two thousand, four hundred twenty".