51072985302 has 16 divisors (see below), whose sum is σ = 107522074560. Its totient is φ = 16128311112.

The previous prime is 51072985289. The next prime is 51072985303. The reversal of 51072985302 is 20358927015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51072985303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224004208 + ... + 224004435.

It is an arithmetic number, because the mean of its divisors is an integer number (6720129660).

Almost surely, 2^51072985302 is an apocalyptic number.

51072985302 is an abundant number, since it is smaller than the sum of its proper divisors (56449089258).

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

51072985302 is a wasteful number, since it uses less digits than its factorization.

51072985302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448008667.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 51072985302 in words is "fifty-one billion, seventy-two million, nine hundred eighty-five thousand, three hundred two".