51340322000 has 80 divisors (see below), whose sum is σ = 135426492864. Its totient is φ = 18669200000.

The previous prime is 51340321993. The next prime is 51340322023. The reversal of 51340322000 is 22304315.

It is a happy number.

51340322000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144826 + ... + 1188825.

Almost surely, 2^51340322000 is an apocalyptic number.

51340322000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51340322000 is an abundant number, since it is smaller than the sum of its proper divisors (84086170864).

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

51340322000 is a wasteful number, since it uses less digits than its factorization.

51340322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333685 (or 2333669 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 51340322000 its reverse (22304315), we get a palindrome (51362626315).

The spelling of 51340322000 in words is "fifty-one billion, three hundred forty million, three hundred twenty-two thousand".