51198196449600 has 252 divisors, whose sum is σ = 191547873281440. Its totient is φ = 12934281139200.

The previous prime is 51198196449593. The next prime is 51198196449607. The reversal of 51198196449600 is 694469189115.

51198196449600 is a `hidden beast` number, since 5 + 1 + 1 + 9 + 8 + 19 + 6 + 4 + 4 + 9 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (51198196449593) and next prime (51198196449607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51198196449607) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 93290356 + ... + 93837555.

Almost surely, 2^{51198196449600} is an apocalyptic number.

51198196449600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51198196449600 is an abundant number, since it is smaller than the sum of its proper divisors (140349676831840).

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

51198196449600 is a wasteful number, since it uses less digits than its factorization.

51198196449600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187127958 (or 187127940 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 51198196449600 in words is "fifty-one trillion, one hundred ninety-eight billion, one hundred ninety-six million, four hundred forty-nine thousand, six hundred".