1451934816 has 36 divisors (see below), whose sum is σ = 3812309172. Its totient is φ = 483853824.

The previous prime is 1451934779. The next prime is 1451934863. The reversal of 1451934816 is 6184391541.

It is a super-3 number, since 3×1451934816³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371400 + ... + 375288.

It is an arithmetic number, because the mean of its divisors is an integer number (105897477).

Almost surely, 2^1451934816 is an apocalyptic number.

1451934816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1451934816 is an abundant number, since it is smaller than the sum of its proper divisors (2360374356).

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

1451934816 is an frugal number, since it uses more digits than its factorization.

1451934816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791 (or 3894 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 1451934816 is about 38104.2624387351. The cubic root of 1451934816 is about 1132.3544029696.

The spelling of 1451934816 in words is "one billion, four hundred fifty-one million, nine hundred thirty-four thousand, eight hundred sixteen".