451504104433420 has 24 divisors (see below), whose sum is σ = 970208819761104. Its totient is φ = 176401603592256.

The previous prime is 451504104433381. The next prime is 451504104433427. The reversal of 451504104433420 is 24334401405154.

It is not an unprimeable number, because it can be changed into a prime (451504104433427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262502385439 + ... + 262502387158.

It is an arithmetic number, because the mean of its divisors is an integer number (40425367490046).

Almost surely, 2^{451504104433420} is an apocalyptic number.

It is an amenable number.

451504104433420 is an abundant number, since it is smaller than the sum of its proper divisors (518704715327684).

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

451504104433420 is a wasteful number, since it uses less digits than its factorization.

451504104433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525004772649 (or 525004772647 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 451504104433420 its reverse (24334401405154), we get a palindrome (475838505838574).

The spelling of 451504104433420 in words is "four hundred fifty-one trillion, five hundred four billion, one hundred four million, four hundred thirty-three thousand, four hundred twenty".