49281380148 has 288 divisors, whose sum is σ = 157643176320. Its totient is φ = 11778600960.

The previous prime is 49281380143. The next prime is 49281380177. The reversal of 49281380148 is 84108318294.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49281380097 and 49281380106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49281380143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34389640 + ... + 34391072.

It is an arithmetic number, because the mean of its divisors is an integer number (547372140).

Almost surely, 2^49281380148 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 49281380148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78821588160).

49281380148 is an abundant number, since it is smaller than the sum of its proper divisors (108361796172).

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

49281380148 is a wasteful number, since it uses less digits than its factorization.

49281380148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 49281380148 in words is "forty-nine billion, two hundred eighty-one million, three hundred eighty thousand, one hundred forty-eight".