51418861762442 has 8 divisors (see below), whose sum is σ = 77329671998976. Its totient is φ = 25642304429452.

The previous prime is 51418861762381. The next prime is 51418861762447. The reversal of 51418861762442 is 24426716881415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×51418861762442³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51418861762447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33563224928 + ... + 33563226459.

It is an arithmetic number, because the mean of its divisors is an integer number (9666208999872).

Almost surely, 2^{51418861762442} is an apocalyptic number.

51418861762442 is a deficient number, since it is larger than the sum of its proper divisors (25910810236534).

51418861762442 is a wasteful number, since it uses less digits than its factorization.

51418861762442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67126451772.

The product of its digits is 20643840, while the sum is 59.

The spelling of 51418861762442 in words is "fifty-one trillion, four hundred eighteen billion, eight hundred sixty-one million, seven hundred sixty-two thousand, four hundred forty-two".