451501161140 has 72 divisors (see below), whose sum is σ = 959472495072. Its totient is φ = 178468638400.

The previous prime is 451501161113. The next prime is 451501161151. The reversal of 451501161140 is 41161105154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101435915 + ... + 101440365.

It is an arithmetic number, because the mean of its divisors is an integer number (13326006876).

Almost surely, 2^451501161140 is an apocalyptic number.

It is an amenable number.

451501161140 is an abundant number, since it is smaller than the sum of its proper divisors (507971333932).

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

451501161140 is a wasteful number, since it uses less digits than its factorization.

451501161140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 451501161140 its reverse (41161105154), we get a palindrome (492662266294).

The spelling of 451501161140 in words is "four hundred fifty-one billion, five hundred one million, one hundred sixty-one thousand, one hundred forty".