451242042160 has 80 divisors (see below), whose sum is σ = 1291246479936. Its totient is φ = 142810665984.

The previous prime is 451242042149. The next prime is 451242042161. The reversal of 451242042160 is 61240242154.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-4 number, since 4×451242042160⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (451242042161) 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, 30984619 + ... + 30999178.

Almost surely, 2^451242042160 is an apocalyptic number.

451242042160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451242042160 is an abundant number, since it is smaller than the sum of its proper divisors (840004437776).

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

451242042160 is a wasteful number, since it uses less digits than its factorization.

451242042160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61983830 (or 61983824 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 451242042160 in words is "four hundred fifty-one billion, two hundred forty-two million, forty-two thousand, one hundred sixty".