49081381351296 has 512 divisors, whose sum is σ = 162211040640000. Its totient is φ = 13097525575680.

The previous prime is 49081381351273. The next prime is 49081381351441. The reversal of 49081381351296 is 69215318318094.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293238960 + ... + 293406288.

It is an arithmetic number, because the mean of its divisors is an integer number (316818438750).

Almost surely, 2^{49081381351296} 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 49081381351296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81105520320000).

49081381351296 is an abundant number, since it is smaller than the sum of its proper divisors (113129659288704).

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

49081381351296 is a wasteful number, since it uses less digits than its factorization.

49081381351296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167515 (or 167489 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 49081381351296 in words is "forty-nine trillion, eighty-one billion, three hundred eighty-one million, three hundred fifty-one thousand, two hundred ninety-six".