1405066452 has 48 divisors (see below), whose sum is σ = 3359516160. Its totient is φ = 456811488.

The previous prime is 1405066427. The next prime is 1405066469. The reversal of 1405066452 is 2546605041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472723 + ... + 475685.

It is an arithmetic number, because the mean of its divisors is an integer number (69989920).

Almost surely, 2^1405066452 is an apocalyptic number.

1405066452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1405066452 is an abundant number, since it is smaller than the sum of its proper divisors (1954449708).

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

1405066452 is a wasteful number, since it uses less digits than its factorization.

1405066452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1405066452 is about 37484.2160382207. The cubic root of 1405066452 is about 1120.0367898204.

The spelling of 1405066452 in words is "one billion, four hundred five million, sixty-six thousand, four hundred fifty-two".