451135536060 has 144 divisors (see below), whose sum is σ = 1389968848800. Its totient is φ = 109246832640.

The previous prime is 451135536053. The next prime is 451135536079. The reversal of 451135536060 is 60635531154.

It is a super-2 number, since 2×451135536060² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6711096 + ... + 6777984.

It is an arithmetic number, because the mean of its divisors is an integer number (9652561450).

Almost surely, 2^451135536060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451135536060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694984424400).

451135536060 is an abundant number, since it is smaller than the sum of its proper divisors (938833312740).

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

451135536060 is a wasteful number, since it uses less digits than its factorization.

451135536060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67852 (or 67839 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 451135536060 in words is "four hundred fifty-one billion, one hundred thirty-five million, five hundred thirty-six thousand, sixty".