451129390512 has 20 divisors (see below), whose sum is σ = 1165417592280. Its totient is φ = 150376463488.

The previous prime is 451129390493. The next prime is 451129390513. The reversal of 451129390512 is 215093921154.

It is not an unprimeable number, because it can be changed into a prime (451129390513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4699264437 + ... + 4699264532.

It is an arithmetic number, because the mean of its divisors is an integer number (58270879614).

Almost surely, 2^451129390512 is an apocalyptic number.

It is an amenable number.

451129390512 is an abundant number, since it is smaller than the sum of its proper divisors (714288201768).

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

451129390512 is a wasteful number, since it uses less digits than its factorization.

451129390512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398528980 (or 9398528974 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 451129390512 in words is "four hundred fifty-one billion, one hundred twenty-nine million, three hundred ninety thousand, five hundred twelve".