51330262248 has 64 divisors (see below), whose sum is σ = 142609392000. Its totient is φ = 17107047936.

The previous prime is 51330262223. The next prime is 51330262273. The reversal of 51330262248 is 84226203315.

51330262248 is a `hidden beast` number, since 51 + 3 + 302 + 62 + 248 = 666.

It is an interprime number because it is at equal distance from previous prime (51330262223) and next prime (51330262273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427061 + ... + 1462587.

It is an arithmetic number, because the mean of its divisors is an integer number (2228271750).

Almost surely, 2^51330262248 is an apocalyptic number.

It is an amenable number.

51330262248 is an abundant number, since it is smaller than the sum of its proper divisors (91279129752).

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

51330262248 is a wasteful number, since it uses less digits than its factorization.

51330262248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42231 (or 42221 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 51330262248 in words is "fifty-one billion, three hundred thirty million, two hundred sixty-two thousand, two hundred forty-eight".