451150420140240 has 80 divisors (see below), whose sum is σ = 1398568902825600. Its totient is φ = 120306555014656.

The previous prime is 451150420140221. The next prime is 451150420140283. The reversal of 451150420140240 is 42041024051154.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157934566 + ... + 160765754.

It is an arithmetic number, because the mean of its divisors is an integer number (17482111285320).

Almost surely, 2^{451150420140240} is an apocalyptic number.

451150420140240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451150420140240 is an abundant number, since it is smaller than the sum of its proper divisors (947418482685360).

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

451150420140240 is a wasteful number, since it uses less digits than its factorization.

451150420140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495164 (or 3495158 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 451150420140240 its reverse (42041024051154), we get a palindrome (493191444191394).

The spelling of 451150420140240 in words is "four hundred fifty-one trillion, one hundred fifty billion, four hundred twenty million, one hundred forty thousand, two hundred forty".