49641221380 has 12 divisors (see below), whose sum is σ = 104246564940. Its totient is φ = 19856488544.

The previous prime is 49641221369. The next prime is 49641221429. The reversal of 49641221380 is 8312214694.

49641221380 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 27100402884 + 22540818496 = 164622^2 + 150136^2 .

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, 1241030515 + ... + 1241030554.

It is an arithmetic number, because the mean of its divisors is an integer number (8687213745).

Almost surely, 2^49641221380 is an apocalyptic number.

It is an amenable number.

49641221380 is an abundant number, since it is smaller than the sum of its proper divisors (54605343560).

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

49641221380 is a wasteful number, since it uses less digits than its factorization.

49641221380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482061078 (or 2482061076 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 49641221380 in words is "forty-nine billion, six hundred forty-one million, two hundred twenty-one thousand, three hundred eighty".