451265728772 has 12 divisors (see below), whose sum is σ = 789724078080. Its totient is φ = 225630277896.

The previous prime is 451265728763. The next prime is 451265728811. The reversal of 451265728772 is 277827562154.

It is a happy number.

It is a super-3 number, since 3×451265728772³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223268 + ... + 975899.

It is an arithmetic number, because the mean of its divisors is an integer number (65810339840).

Almost surely, 2^451265728772 is an apocalyptic number.

It is an amenable number.

451265728772 is a deficient number, since it is larger than the sum of its proper divisors (338458349308).

451265728772 is a wasteful number, since it uses less digits than its factorization.

451265728772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293250 (or 1293248 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 56.

The spelling of 451265728772 in words is "four hundred fifty-one billion, two hundred sixty-five million, seven hundred twenty-eight thousand, seven hundred seventy-two".