51462242400 has 288 divisors, whose sum is σ = 175191787008. Its totient is φ = 13096652800.

The previous prime is 51462242353. The next prime is 51462242401. The reversal of 51462242400 is 424226415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51462242401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34057645 + ... + 34059155.

It is an arithmetic number, because the mean of its divisors is an integer number (608304816).

Almost surely, 2^51462242400 is an apocalyptic number.

51462242400 is a gapful number since it is divisible by the number (50) 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 51462242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87595893504).

51462242400 is an abundant number, since it is smaller than the sum of its proper divisors (123729544608).

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

51462242400 is a wasteful number, since it uses less digits than its factorization.

51462242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 51462242400 its reverse (424226415), we get a palindrome (51886468815).

The spelling of 51462242400 in words is "fifty-one billion, four hundred sixty-two million, two hundred forty-two thousand, four hundred".