451159395856 has 45 divisors (see below), whose sum is σ = 946607031111. Its totient is φ = 208211293056.

The previous prime is 451159395853. The next prime is 451159395877. The reversal of 451159395856 is 658593951154.

The square root of 451159395856 is 671684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 51128445456 + 400030950400 = 226116^2 + 632480^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451159395794 and 451159395803.

It is not an unprimeable number, because it can be changed into a prime (451159395853) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34921110 + ... + 34934026.

Almost surely, 2^451159395856 is an apocalyptic number.

451159395856 is the 671684-th square number.

It is an amenable number.

451159395856 is an abundant number, since it is smaller than the sum of its proper divisors (495447635255).

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

451159395856 is an frugal number, since it uses more digits than its factorization.

451159395856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25868 (or 12932 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 61.

The spelling of 451159395856 in words is "four hundred fifty-one billion, one hundred fifty-nine million, three hundred ninety-five thousand, eight hundred fifty-six".