1447046420 has 24 divisors (see below), whose sum is σ = 3052077000. Its totient is φ = 576289152.

The previous prime is 1447046417. The next prime is 1447046507. The reversal of 1447046420 is 246407441.

It can be written as a sum of positive squares in 4 ways, for example, as 300953104 + 1146093316 = 17348^2 + 33854^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153395 + ... + 162554.

It is an arithmetic number, because the mean of its divisors is an integer number (127169875).

Almost surely, 2^1447046420 is an apocalyptic number.

1447046420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1447046420 is an abundant number, since it is smaller than the sum of its proper divisors (1605030580).

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

1447046420 is a wasteful number, since it uses less digits than its factorization.

1447046420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316187 (or 316185 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1447046420 is about 38040.0633543111. The cubic root of 1447046420 is about 1131.0821648182.

The spelling of 1447046420 in words is "one billion, four hundred forty-seven million, forty-six thousand, four hundred twenty".