51182474970 has 128 divisors (see below), whose sum is σ = 140382720000. Its totient is φ = 11828194560.

The previous prime is 51182474951. The next prime is 51182474971. The reversal of 51182474970 is 7947428115.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51182474971) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 722181 + ... + 789879.

It is an arithmetic number, because the mean of its divisors is an integer number (1096740000).

Almost surely, 2^51182474970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51182474970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70191360000).

51182474970 is an abundant number, since it is smaller than the sum of its proper divisors (89200245030).

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

51182474970 is a wasteful number, since it uses less digits than its factorization.

51182474970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67828.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 51182474970 in words is "fifty-one billion, one hundred eighty-two million, four hundred seventy-four thousand, nine hundred seventy".