451121464 has 16 divisors (see below), whose sum is σ = 868714200. Its totient is φ = 219464352.

The previous prime is 451121459. The next prime is 451121479. The reversal of 451121464 is 464121154.

It is a congruent number.

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, 761734 + ... + 762325.

Almost surely, 2^451121464 is an apocalyptic number.

It is an amenable number.

451121464 is a deficient number, since it is larger than the sum of its proper divisors (417592736).

451121464 is a wasteful number, since it uses less digits than its factorization.

451121464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524102 (or 1524098 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 451121464 is about 21239.6201472625. The cubic root of 451121464 is about 766.9454883358.

The spelling of 451121464 in words is "four hundred fifty-one million, one hundred twenty-one thousand, four hundred sixty-four".