51420433020404 has 24 divisors (see below), whose sum is σ = 102841317340608. Its totient is φ = 22037231730240.

The previous prime is 51420433020391. The next prime is 51420433020409. The reversal of 51420433020404 is 40402033402415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51420433020409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659859 + ... + 10484069.

It is an arithmetic number, because the mean of its divisors is an integer number (4285054889192).

Almost surely, 2^{51420433020404} is an apocalyptic number.

It is an amenable number.

51420433020404 is an abundant number, since it is smaller than the sum of its proper divisors (51420884320204).

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

51420433020404 is a wasteful number, since it uses less digits than its factorization.

51420433020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058935 (or 8058933 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 51420433020404 its reverse (40402033402415), we get a palindrome (91822466422819).

The spelling of 51420433020404 in words is "fifty-one trillion, four hundred twenty billion, four hundred thirty-three million, twenty thousand, four hundred four".