51435023040 has 84 divisors (see below), whose sum is σ = 176915057904. Its totient is φ = 13716005376.

The previous prime is 51435022973. The next prime is 51435023041. The reversal of 51435023040 is 4032053415.

51435023040 is a `hidden beast` number, since 5 + 1 + 4 + 350 + 2 + 304 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51435022995 and 51435023013.

It is not an unprimeable number, because it can be changed into a prime (51435023041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8926812 + ... + 8932571.

Almost surely, 2^51435023040 is an apocalyptic number.

It is an amenable number.

51435023040 is an abundant number, since it is smaller than the sum of its proper divisors (125480034864).

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

51435023040 is a wasteful number, since it uses less digits than its factorization.

51435023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17859406 (or 17859393 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 51435023040 its reverse (4032053415), we get a palindrome (55467076455).

The spelling of 51435023040 in words is "fifty-one billion, four hundred thirty-five million, twenty-three thousand, forty".