49020261090820 has 12 divisors (see below), whose sum is σ = 102942548290764. Its totient is φ = 19608104436320.

The previous prime is 49020261090809. The next prime is 49020261090821. The reversal of 49020261090820 is 2809016202094.

It is a happy number.

49020261090820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33249339218176 + 15770921872644 = 5766224^2 + 3971262^2 .

It is a super-2 number, since 2×49020261090820² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49020261090821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225506527251 + ... + 1225506527290.

It is an arithmetic number, because the mean of its divisors is an integer number (8578545690897).

Almost surely, 2^{49020261090820} is an apocalyptic number.

It is an amenable number.

49020261090820 is an abundant number, since it is smaller than the sum of its proper divisors (53922287199944).

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

49020261090820 is a wasteful number, since it uses less digits than its factorization.

49020261090820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451013054550 (or 2451013054548 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 49020261090820 in words is "forty-nine trillion, twenty billion, two hundred sixty-one million, ninety thousand, eight hundred twenty".