51941341778340 has 192 divisors, whose sum is σ = 171768767643648. Its totient is φ = 11476285286400.

The previous prime is 51941341778327. The next prime is 51941341778351. The reversal of 51941341778340 is 4387714314915.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9206517 + ... + 13734723.

It is an arithmetic number, because the mean of its divisors is an integer number (894628998144).

Almost surely, 2^{51941341778340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51941341778340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85884383821824).

51941341778340 is an abundant number, since it is smaller than the sum of its proper divisors (119827425865308).

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

51941341778340 is a wasteful number, since it uses less digits than its factorization.

51941341778340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529138 (or 4529136 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 51941341778340 in words is "fifty-one trillion, nine hundred forty-one billion, three hundred forty-one million, seven hundred seventy-eight thousand, three hundred forty".