451154443032 has 128 divisors (see below), whose sum is σ = 1262632320000. Its totient is φ = 149255395200.

The previous prime is 451154443007. The next prime is 451154443073. The reversal of 451154443032 is 230344451154.

451154443032 is a `hidden beast` number, since 4 + 51 + 1 + 544 + 4 + 30 + 32 = 666.

It is a super-3 number, since 3×451154443032³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45792907 + ... + 45802757.

It is an arithmetic number, because the mean of its divisors is an integer number (9864315000).

Almost surely, 2^451154443032 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 451154443032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631316160000).

451154443032 is an abundant number, since it is smaller than the sum of its proper divisors (811477876968).

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

451154443032 is a wasteful number, since it uses less digits than its factorization.

451154443032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 11428 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 451154443032 its reverse (230344451154), we get a palindrome (681498894186).

The spelling of 451154443032 in words is "four hundred fifty-one billion, one hundred fifty-four million, four hundred forty-three thousand, thirty-two".