51226456372 has 48 divisors (see below), whose sum is σ = 110369387520. Its totient is φ = 20258894592.

The previous prime is 51226456289. The next prime is 51226456397. The reversal of 51226456372 is 27365462215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201728 + ... + 1243624.

It is an arithmetic number, because the mean of its divisors is an integer number (2299362240).

Almost surely, 2^51226456372 is an apocalyptic number.

51226456372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51226456372 is an abundant number, since it is smaller than the sum of its proper divisors (59142931148).

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

51226456372 is a wasteful number, since it uses less digits than its factorization.

51226456372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45280 (or 45278 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The spelling of 51226456372 in words is "fifty-one billion, two hundred twenty-six million, four hundred fifty-six thousand, three hundred seventy-two".