49221113153220 has 240 divisors, whose sum is σ = 155229017061888. Its totient is φ = 13055909287680.

The previous prime is 49221113153209. The next prime is 49221113153273. The reversal of 49221113153220 is 2235131112294.

49221113153220 is a `hidden beast` number, since 4 + 9 + 2 + 2 + 1 + 11 + 315 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1554515109 + ... + 1554546771.

Almost surely, 2^{49221113153220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49221113153220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77614508530944).

49221113153220 is an abundant number, since it is smaller than the sum of its proper divisors (106007903908668).

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

49221113153220 is a wasteful number, since it uses less digits than its factorization.

49221113153220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36752 (or 36741 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 49221113153220 in words is "forty-nine trillion, two hundred twenty-one billion, one hundred thirteen million, one hundred fifty-three thousand, two hundred twenty".