51446350162000 has 80 divisors (see below), whose sum is σ = 124403022679104. Its totient is φ = 20577589200000.

The previous prime is 51446350161931. The next prime is 51446350162003. The reversal of 51446350162000 is 26105364415.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×51446350162000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51446350162003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43518735 + ... + 44685265.

Almost surely, 2^{51446350162000} is an apocalyptic number.

51446350162000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51446350162000 is an abundant number, since it is smaller than the sum of its proper divisors (72956672517104).

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

51446350162000 is a wasteful number, since it uses less digits than its factorization.

51446350162000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188605 (or 1188589 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 51446350162000 in words is "fifty-one trillion, four hundred forty-six billion, three hundred fifty million, one hundred sixty-two thousand".