4951404820 has 12 divisors (see below), whose sum is σ = 10397950164. Its totient is φ = 1980561920.

The previous prime is 4951404803. The next prime is 4951404823. The reversal of 4951404820 is 284041594.

It can be written as a sum of positive squares in 2 ways, for example, as 1963907856 + 2987496964 = 44316^2 + 54658^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4951404820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951404823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123785101 + ... + 123785140.

It is an arithmetic number, because the mean of its divisors is an integer number (866495847).

Almost surely, 2^4951404820 is an apocalyptic number.

It is an amenable number.

4951404820 is an abundant number, since it is smaller than the sum of its proper divisors (5446545344).

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

4951404820 is a wasteful number, since it uses less digits than its factorization.

4951404820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247570250 (or 247570248 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 4951404820 is about 70366.2193101207. The cubic root of 4951404820 is about 1704.4181294616.

The spelling of 4951404820 in words is "four billion, nine hundred fifty-one million, four hundred four thousand, eight hundred twenty".