49853781180 has 480 divisors, whose sum is σ = 192553320960. Its totient is φ = 10542389760.

The previous prime is 49853781149. The next prime is 49853781209. The reversal of 49853781180 is 8118735894.

49853781180 is a `hidden beast` number, since 4 + 98 + 5 + 378 + 1 + 180 = 666.

49853781180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 9262090 + ... + 9267470.

It is an arithmetic number, because the mean of its divisors is an integer number (401152752).

Almost surely, 2^49853781180 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 49853781180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96276660480).

49853781180 is an abundant number, since it is smaller than the sum of its proper divisors (142699539780).

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

49853781180 is a wasteful number, since it uses less digits than its factorization.

49853781180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5460 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 49853781180 in words is "forty-nine billion, eight hundred fifty-three million, seven hundred eighty-one thousand, one hundred eighty".