51040070952 has 64 divisors (see below), whose sum is σ = 137597738880. Its totient is φ = 15683818752.

The previous prime is 51040070951. The next prime is 51040070957. The reversal of 51040070952 is 25907004015.

51040070952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51040070951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128133 + ... + 344235.

It is an arithmetic number, because the mean of its divisors is an integer number (2149964670).

Almost surely, 2^51040070952 is an apocalyptic number.

51040070952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51040070952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68798869440).

51040070952 is an abundant number, since it is smaller than the sum of its proper divisors (86557667928).

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

51040070952 is a wasteful number, since it uses less digits than its factorization.

51040070952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216882 (or 216878 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 51040070952 its reverse (25907004015), we get a palindrome (76947074967).

The spelling of 51040070952 in words is "fifty-one billion, forty million, seventy thousand, nine hundred fifty-two".