51040892650 has 48 divisors (see below), whose sum is σ = 109658784960. Its totient is φ = 17468537600.

The previous prime is 51040892647. The next prime is 51040892657. The reversal of 51040892650 is 5629804015.

It is not an unprimeable number, because it can be changed into a prime (51040892657) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2720110 + ... + 2738809.

It is an arithmetic number, because the mean of its divisors is an integer number (2284558020).

Almost surely, 2^51040892650 is an apocalyptic number.

51040892650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51040892650 is an abundant number, since it is smaller than the sum of its proper divisors (58617892310).

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

51040892650 is a wasteful number, since it uses less digits than its factorization.

51040892650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458959 (or 5458954 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 51040892650 in words is "fifty-one billion, forty million, eight hundred ninety-two thousand, six hundred fifty".