51451406331026 has 32 divisors (see below), whose sum is σ = 83677790641536. Its totient is φ = 23586209136000.

The previous prime is 51451406331007. The next prime is 51451406331029. The reversal of 51451406331026 is 62013360415415.

It is a super-4 number, since 4×51451406331026⁴ (a number of 56 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (51451406331029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9049940 + ... + 13594271.

It is an arithmetic number, because the mean of its divisors is an integer number (2614930957548).

Almost surely, 2^{51451406331026} is an apocalyptic number.

51451406331026 is a deficient number, since it is larger than the sum of its proper divisors (32226384310510).

51451406331026 is a wasteful number, since it uses less digits than its factorization.

51451406331026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22644818.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 51451406331026 in words is "fifty-one trillion, four hundred fifty-one billion, four hundred six million, three hundred thirty-one thousand, twenty-six".