4780820042 has 4 divisors (see below), whose sum is σ = 7171230066. Its totient is φ = 2390410020.

The previous prime is 4780820029. The next prime is 4780820059. The reversal of 4780820042 is 2400280874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2704104001 + 2076716041 = 52001^2 + 45571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4780819984 and 4780820011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195205009 + ... + 1195205012.

Almost surely, 2^4780820042 is an apocalyptic number.

4780820042 is a deficient number, since it is larger than the sum of its proper divisors (2390410024).

4780820042 is a wasteful number, since it uses less digits than its factorization.

4780820042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390410023.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 4780820042 is about 69143.4743269385. The cubic root of 4780820042 is about 1684.6155253426.

The spelling of 4780820042 in words is "four billion, seven hundred eighty million, eight hundred twenty thousand, forty-two".