51404256330 has 64 divisors (see below), whose sum is σ = 141015029760. Its totient is φ = 11747836224.

The previous prime is 51404256301. The next prime is 51404256367. The reversal of 51404256330 is 3365240415.

It is a super-3 number, since 3×51404256330³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51404256291 and 51404256300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1943857 + ... + 1970123.

It is an arithmetic number, because the mean of its divisors is an integer number (2203359840).

Almost surely, 2^51404256330 is an apocalyptic number.

51404256330 is an abundant number, since it is smaller than the sum of its proper divisors (89610773430).

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

51404256330 is a wasteful number, since it uses less digits than its factorization.

51404256330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35603.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 51404256330 its reverse (3365240415), we get a palindrome (54769496745).

The spelling of 51404256330 in words is "fifty-one billion, four hundred four million, two hundred fifty-six thousand, three hundred thirty".