1451886864 has 80 divisors (see below), whose sum is σ = 3825856320. Its totient is φ = 474324480.

The previous prime is 1451886833. The next prime is 1451886869. The reversal of 1451886864 is 4686881541.

It is not an unprimeable number, because it can be changed into a prime (1451886869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015302 + ... + 1016730.

It is an arithmetic number, because the mean of its divisors is an integer number (47823204).

Almost surely, 2^1451886864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451886864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912928160).

1451886864 is an abundant number, since it is smaller than the sum of its proper divisors (2373969456).

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

1451886864 is a wasteful number, since it uses less digits than its factorization.

1451886864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1842 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 1451886864 is about 38103.6332125954. The cubic root of 1451886864 is about 1132.3419370161.

The spelling of 1451886864 in words is "one billion, four hundred fifty-one million, eight hundred eighty-six thousand, eight hundred sixty-four".