451121764 has 24 divisors (see below), whose sum is σ = 799289568. Its totient is φ = 222768000.

The previous prime is 451121761. The next prime is 451121777. The reversal of 451121764 is 467121154.

It is not an unprimeable number, because it can be changed into a prime (451121761) 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, 137139 + ... + 140389.

It is an arithmetic number, because the mean of its divisors is an integer number (33303732).

Almost surely, 2^451121764 is an apocalyptic number.

It is an amenable number.

451121764 is a deficient number, since it is larger than the sum of its proper divisors (348167804).

451121764 is a wasteful number, since it uses less digits than its factorization.

451121764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3673 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 451121764 is about 21239.6272095345. The cubic root of 451121764 is about 766.9456583444.

The spelling of 451121764 in words is "four hundred fifty-one million, one hundred twenty-one thousand, seven hundred sixty-four".