49894099801992 has 128 divisors (see below), whose sum is σ = 147484778400000. Its totient is φ = 15574392142848.

The previous prime is 49894099801921. The next prime is 49894099801993. The reversal of 49894099801992 is 29910899049894.

49894099801992 is a `hidden beast` number, since 49 + 8 + 9 + 409 + 9 + 80 + 1 + 9 + 92 = 666.

49894099801992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49894099801992² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49894099801993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33409267 + ... + 34870722.

It is an arithmetic number, because the mean of its divisors is an integer number (1152224831250).

Almost surely, 2^{49894099801992} is an apocalyptic number.

It is an amenable number.

49894099801992 is an abundant number, since it is smaller than the sum of its proper divisors (97590678598008).

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

49894099801992 is a wasteful number, since it uses less digits than its factorization.

49894099801992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68280220 (or 68280210 counting only the distinct ones).

The product of its (nonzero) digits is 1088391168, while the sum is 81.

The spelling of 49894099801992 in words is "forty-nine trillion, eight hundred ninety-four billion, ninety-nine million, eight hundred one thousand, nine hundred ninety-two".