49633328621808 has 120 divisors (see below), whose sum is σ = 139529872909440. Its totient is φ = 16469972951040.

The previous prime is 49633328621783. The next prime is 49633328621819. The reversal of 49633328621808 is 80812682333694.

It is a happy number.

49633328621808 is a `hidden beast` number, since 4 + 9 + 6 + 3 + 332 + 86 + 218 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161936608 + ... + 162242816.

It is an arithmetic number, because the mean of its divisors is an integer number (1162748940912).

Almost surely, 2^{49633328621808} is an apocalyptic number.

49633328621808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49633328621808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69764936454720).

49633328621808 is an abundant number, since it is smaller than the sum of its proper divisors (89896544287632).

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

49633328621808 is a wasteful number, since it uses less digits than its factorization.

49633328621808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311287 (or 311278 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 63.

The spelling of 49633328621808 in words is "forty-nine trillion, six hundred thirty-three billion, three hundred twenty-eight million, six hundred twenty-one thousand, eight hundred eight".