51001622430 has 64 divisors (see below), whose sum is σ = 133664214528. Its totient is φ = 12351743360.

The previous prime is 51001622411. The next prime is 51001622489. The reversal of 51001622430 is 3422610015.

It is a self number, because there is not a number n which added to its sum of digits gives 51001622430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258007 + ... + 410573.

It is an arithmetic number, because the mean of its divisors is an integer number (2088503352).

Almost surely, 2^51001622430 is an apocalyptic number.

51001622430 is an abundant number, since it is smaller than the sum of its proper divisors (82662592098).

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

51001622430 is a wasteful number, since it uses less digits than its factorization.

51001622430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153601.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 51001622430 in words is "fifty-one billion, one million, six hundred twenty-two thousand, four hundred thirty".