51463232226 has 160 divisors (see below), whose sum is σ = 135282026880. Its totient is φ = 14315616000.

The previous prime is 51463232221. The next prime is 51463232243. The reversal of 51463232226 is 62223236415.

51463232226 is a `hidden beast` number, since 5 + 14 + 632 + 3 + 2 + 2 + 2 + 6 = 666.

It is a super-2 number, since 2×51463232226² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51463232221) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 32591505 + ... + 32593083.

It is an arithmetic number, because the mean of its divisors is an integer number (845512668).

Almost surely, 2^51463232226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51463232226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67641013440).

51463232226 is an abundant number, since it is smaller than the sum of its proper divisors (83818794654).

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

51463232226 is a wasteful number, since it uses less digits than its factorization.

51463232226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2333 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 51463232226 in words is "fifty-one billion, four hundred sixty-three million, two hundred thirty-two thousand, two hundred twenty-six".